PSAT Roots and Prefix Flashcards
1
Q
a-, an-
A
not, without (Abyss, Achromatic, ANhydrous)
2
Q
a-
A
on (Afire, Ashore, Aside)
3
Q
a-, ab-, abs-
A
from, away, off (ABduct, ABnormal, ABSent, Aversion, ABbreviate)
4
Q
ac-, ad-
A
to, toward, near (ACcelerate, ACcessible, ADmittance)
5
Q
acro-
A
top, height, tip, beginning (ACRObat, ACROnym, ACROphobia)
6
Q
act-
A
do (ACTivity, reACT, interACTion)
7
Q
aer-, aero-
A
air (AERate, AERial, AEROspace)
8
Q
agr-, agri-, agro-,
A
farming (AGRIculture, AGRIbusiness, AGRarian)
9
Q
alg-, algo-
A
pain (neurALGia, anALGesic, nostALGia)
10
Q
ambi-, amphi-
A
both, on both sides, around (AMBIdextrous, AMBIguous, AMBIvalence)
11
Q
ambul-
A
walk, move (AMBLe, AMBULant, AMBULance)
12
Q
ami-, amo-
A
love (AMIable, AMIty,AMOrous)
13
Q
ana-
A
up, back, against, again, throughout (ANAlysis, ANAtomy, ANAchronism)
14
Q
andr-, andro-
A
man, male (ANDROgynous, ANDROid, misANDRy)
15
Q
anim-
A
life, spirit (ANIMal, ANIMate, equANIMity)
16
Q
ann-, enn-
A
year (ANNiversary, ANNual, milENNium)
17
Q
ante-
A
before, in front (ANTEcede, ANTEmeridian, ANTEroom)
18
Q
anth-, antho-
A
flower (crysANTHemum, ANTHOlogy, ANTHOzoan)
19
Q
anthrop-, anthropo-
A
human (ANTHROpology, ANTHROpomorphism, philANTHROpy)
20
Q
anti-
A
against, opposite of (ANTIbody, ANTIseptic, ANTIsocial)
21
Q
apo-, apho-,
A
away, off, separate (APHOrism, APOlogy, APOstrophe)
22
Q
aqu-, aqua-
A
water (AQUArium, AQUAtic, AQUeduct)
23
Q
arbor-
A
tree (ARBORist, ARBOR, ARBORous)
24
Q
arch-, archi-
A
chief, most important, rule (ARCHbishop, ARCHenemy, matriARCH, monARCH)
25
arch-, archa- archi-
primitive, ancient (ARCHAeology, ARCHAic, ARCHIve)
26
arthr-, arthro-
joint (ARTHROscope, ARTHRitis, ARTHROpod )
27
art-
skill (ARTifact, ARTisan, ARTist)
28
astro-, aster-
star, stars, outer space (ASTROnaut, ASTROnomer, ASTERick)
29
aud-, audi-, audio-
hear (AUDIble, AUDIence, AUDIOvisual)
30
auto-
self, same, one (AUTOcrat, AUTOgraph, AUTOmatic)
31
avi-, avia-
bird (AVIAry, AVIAtrix, AVIAtion)
32
bar-, baro-
pressure, weight (BARic, BARyon, BAROmeter)
33
bell-, belli-
war (BELLIcose, BELLIgerent, reBEL)
34
bene-
good, well (BENEfactor, BENEficial, BENEvolent)
35
bi-, bin-
two, twice, once in every two (BIannual, BINoculars, BIlateral)
36
bibli-, biblio-
book (BIBLIOgraphy, BIBLIOmania, BIBLIOphile)
37
bio-
life, living matter (BIOgraphy, BIOlogy, BIOsphere)
38
blast-, blasto
cell, primitive, immature cell (BLASTula, fibroBLAST, BLASTOdem)
39
burs-
pouch, purse (BURSar, BURSary, disBURSe)
40
calc-
stone (CALCite, CALCium, CALCification)
41
cand-
glowing, iridescent (CANDid, CANDle, inCANDescent)
42
capt-, cept-, ceive-
take, hold (interCEPT, perCEIVE, CAPTivating)
43
cardi-, cardio-
heart (CARDIac, CARDIOgenic, CARDIOlogist)
44
carn-, carni-
flesh, meat (CARNIvorous, inCARNate, CARNal)
45
cata-
down, against completely, intensive, according to (CATAclysm, CATAlog, CATAstrophe)
46
caust-, caut-
to burn (CAUTerize, CAUSTic, holoCAUST)
47
cede-, ceed-, cess-
go, yield (exCEED, reCEDE, acCESSible)
48
celer-
fast (acCELERate, deCELERate)
49
cent-, centi-
hundred, hundredth (CENTennial, CENTImeter, CENTury)
50
centr-, centro-, centri-
center (egoCENTRIc, ecCENTRIc, CENTRIfugal)
51
cephal-, cephalo-
head (enCEPHALitis, CEPHALic, CEPHALOpod)
52
cerebr-, cerebro-
brain (CEREBRal, CEREBRate, CEREBROspinal)
53
cert-
sure (asCERTain, CERTain, CERTify)
54
chrom-, chromo-, chromat-, chromato-, chros-
color, pigment (aCHROMatic, CHROMium, CHROMAtics)
55
chron-, chrono
time (CHRONic, CHRONOlogical, synCHRONize)
56
chrys-, chryso-
gold, yellow (CHYRSanthemum, heliCHRYSum, CHRYSOlite)
57
cide-, cise-
cut, kill (homiCIDE, inCISor, insectiCIDE)
58
circum-, circle-
around, about (CIRCUMnavigate, CIRCUMscribe, CIRCUMspect)
59
claim-, clam-
shout, speak out (CLAmor, exCLAIM, proCLAMation)
60
clar-
clear (CLARification, CLARify, deCLARe)
61
clud-, clus-
close (conCLUSion, exCLUSion, seCLUDe)
62
cline-
lean (inCLINation, inCLINE, reCLINE)
63
co-
with, together, joint (COauthor, COeducation, COhousing)
64
col-
together, jointly (COLlaborate, COLlision, COlloquial)
65
com-
together, common (COMmemorate, COMposition, COmmune)
66
cogn-, cogni-
know (COGNItion, inCOGNIto, reCOGNize)
67
con
with, jointly (CONcur, CONtemporary, CONvention)
68
contra-, contro-
against, opposite (CONTRAdict, CONTRAflow, CONTRAception, CONTRAry, CONTROversy)
69
corp-, corpo-
body (CORPOration, CORpse, CORPOral)
70
cosm-, cosmo-
universe (COSMOnaut, COSMOs, microCOSM)
71
counter-
opposite, contrary opposing (COUNTERact, COUNTERmand, COUNTERoffensive)
72
cranio-
skull (CRANIOlogy, CRANIum, CRANIal)
73
cred-
believe (CREDence, CREdulous, inCREDible)
74
cruc-
cross (CRUCial, CRUCifix, exCRUCiating)
75
crypto-
hidden, secret (CRYPTic, CRYPTOgraphy, enCRYPT)
76
cumul-
mass, heap (acCUMULate, CUMULative)
77
curr-, curs-
run (conCURRent, CURRent, CURSive)
78
cycl-
circle, ring (biCYCLe, CYCLe, CYCLone)
79
de-
reduce, away, down, remove (DEcelerate, Dethrone, DEbug)
80
dec-, deca-, deka-,
ten (DECade, DECAthlon, DECember)
81
deci-
one tenth (DECIliter, DECImate, DECIbel)
82
dem-, demo-
people (DEMOcracy, DEMOgraphic, epiDEMic)
83
demi-
half, less than (DEMItasse, DEMImonde)
84
dendr-, dendri-, dendri-
tree (philoDENDRon, DENDROchronology, DENDRIform)
85
dent-, dont-
tooth (DENTal, DENTist, DENTures)
86
derm-, derma-
skin (DERMAtologist, pchyDERM, DERMAtitis)
87
di-, diplo-
two, twice (DIchromatic, DIPLOma, DIlemma)
88
di-, dis-
apart, away, not, to the opposite (DIgression, DISappear, DISsect)
89
dia-
through, between, apart, across (DIAbetes, DIAgnosis, DIAlog)
90
dict-
speak (contraDICT, preDICTion, DICTate)
91
domin-
master (DOMINate, DOMIneering, preDOMINate)
92
don-, donat-
give (DONATion, DONor, parDON)
93
duc-, duct-
lead (conDUCT, eDUCate, deDUCTion)
94
du-, duo-
two, twice (DUplicate, DUet, DUO)
95
dur-
harden, to last, lasting (DURable, DURation, enDURing)
96
dyn-, dyna, dynam-
power, energy, strength (DYNAMo, DYNAMic, DYNAMite)
97
dys-
abnormal, bad (DYSpepsia, DYStopia, DYSlexia)
98
e-
out, away (Eloquent, Emissary, Eject)
99
ego-
self (EGOtistic, alter EGO, EGOmania)
100
em-, en-
into, cover with, cause (EMpathy, EMpower, ENgorge)
101
endo-
within, inside (ENDOtherm, ENDOcrine, ENDOgamy)
102
enn-, enni-, anni-
years (bicentENNIal, centENNIal, perENNIal)
103
en-, in-
inside, inwards (ENvision, ENclose, INwards)
104
ep-, epi-
on, upon, over, among, at, after, to, outside (EPIdemic, EPIlogue, EPIcenter)
105
equ-, equi-
equal, equally (EQUIdistant, EQUanimity, EQUation)
106
erg-, ergo-
work (ERGOnomics, enERGy, enERGetics)
107
esth-, aesth-
feeling, sensation, beauty (ESTHetician, AESThetic, kinESTHesia)
108
ethno-
race, people (ETHNic, ETHNOcentric, ETHNOlogy)
109
eu-
good, well (EUphemism, EUphonious, EUphoria)
110
Ex-
from, out (EXcavate, EXhale, EXtract)
111
extra-, extro-
outside, beyond (EXTRAordinary, EXTRAterrestrial, EXTROvert)
112
fac-, fact-
make, do (artiFACT, FACTory, maleFACT)
113
fer-
bear, bring, carry (conFER, FERry, transFER)
114
fid-
faith (conFIDe, FIDelity, FIDuciary)
115
flect-
bend (deFLECT, inFLECTion, FLExible)
116
flor-, flora-, fleur-
flower (FLORist, FLORAl, FLORA)
117
for-
completely (used to intensify the meaning of a word) (FORsaken, FORfeited, FORgiven)
118
fore-
in front of, previous, earlier (FOREbear, FOREbode, FOREcast)
119
form-
shape (conFORMity, FORMatio, reFORMatory)
120
fract-, frag-
break (FRACTure, FRAGile, FRAGment FRACTion)
121
fug-
flee, run away, escape (FUGitive, reFUGe, reFUGee)
122
funct-
perform, work (deFUNCT, FUNCTion, malFUNCTion)
123
fus-
pour (conFUSion, FUSe, inFUSe)
124
gastr-, gastro-
stomach (GASTRic, GASTROnomy, GASTRitis)
125
gen-, geno-, gene-, genesis-
birth, production, formation, kind (GENEalogy, GENEration, GENEtic)
126
geo-
earth, soil, global (GEOgraphy, GEOlogy, GEOponics)
127
ger-
old age (GERiatrics, GERontocracy, GERontology)
128
giga-
a billion (GIGAbyte, GIGAhertz, GIGAwatt)
129
gon-
angle (decaGON, diaGONal, octaGON)
130
gram-
letter, written (diaGRAM, GRAMmar, teleGRAM)
131
gran-
grain (GRANary, GRANola, GRANule)
132
graph-, graphy-
writing, recording, written (GRAPHology, autoGRAPH, seismoGRAPH)
133
grat-
pleasing (GRATify, GRATeful, GRATuity)
134
gyn-, gyno, gyne-
woman, female (GYNEcology, GYNEphobia, GYNEcoid)
135
gress-, grad-, grade-, gradei-, gradi
to step, to go (diGRESSion, proGRESS, GRADual)
136
hect-, hecto-, hecat-,
hundred (HECTOliter, HECTare, HECTOmeter)
137
helic-, helico-
spiral, circular (HELICOpter, HELIx, HELICOn)
138
heli-, helio-
sun (HELIOtropism, HELIOgraph, HELIanthus)
139
hemi-
half, partial (HEMIcycle, HEMIsphere, HEMIstich)
140
hem-, hemo-, hema-
blood (HEMOrhage, HEMOrrhoids, HEMOglobin)
141
hepa-
liver (HEPAtitis, HEPAtoma, HEPAtotoxic)
142
hept-, hepta-
seven (HEPTAgon, HEPTAteuch, HEPTAmeter)
143
herbi-
grass, plant (HERBIcide, HERBIvorous, HERBal)
144
hetero-
different, other (HETEROgenous, HETEROnyms, HETEROdox)
145
hex-, hexa-
six (HEXAgon, HEXAmeter, HEXApod)
146
histo-
tissue (HISTOlogy, HISTOchemistry)
147
homo-, homeo-,
like, alike, same (HOMOgeneous, HOMOnym, HOMEOpath)
148
hydr-, hydro-
liquid, water (HYDRate, HYDROphobia, HYDROponics, HYDRAulic)
149
hygr-, hygro-
moisture, humidity (HYGROmeter, HYGROgraph)
150
hyper-
too much, over, excessive, beyond (HYPEractive, HYPERcritical, HYPERtension)
151
hyp-, hypo-
under (HYPOglycemia, HYPOthermia, HYPOthesis)
152
iatr-, iatro-
medical care (gerIATRics, pedIATRician, podIATRy)
153
icon-, icono-
image (ICON, ICONOlogy, ICONOclast)
154
idio-
peculiar, personal, distinct (IDIOmatic, IDIOsyncracy, IDIOt)
155
il-, in-
in, into (ILluminate, INnovation, INspection)
156
ig-, il-, im-, in-, ir-
not, without (ILlegal, IMpossible, INappropriate, IRresponsible)
157
imag-
likeness (IMAGe, IMAGintive, IMAGine)
158
infra-
beneath, below (INFRAstructure, INFRAred)
159
inter-
between, among, jointly (INTERnational, INTERsection, INTERcept)
160
intra-, intro-
within, inside (INTRAstate, INTRAvenous, INTROvert)
161
ir-
not (IRredeemable, IRreformable, IRrational)
162
iso-
equal (ISObar, ISOmetric, ISOthermal)
163
ject-
throw (eJECT, interJECT, proJECT)
164
jud-
law (JUDgment, JUDicial, JUDiciary)
165
junct-
join (conJUNCTion, disJUNCTion, JUNCTion)
166
juven-
young (JUVENile, reJUVENate)
167
kilo-
thousand (KILObyte, KILOmeter, KILOgram)
168
kine-, kinet, mat-
motion, division (KINETics psychoKINEsis, teleKINEsis. cineMATography)
169
lab-
work (colLABorate, eLABorate, LABorious)
170
lact-, lacto-
milk (LACTTe, LACTOse, LACTic acid)
171
later-
side (biLATERal, uniLATERal)
172
leuk-, leuko-, leuc-, leuco-
white, colorless (LEUKemia, LEUKOcyte, LEUCine)
173
lex-
word, law, reading (LEXicology, aLEXia, ilLEgal)
174
liber-
free (LIBERate, LIBERtine, LIBERty)
175
lingu-
language, tongue (LINGUist, multiLINGUal, LINGUine)
176
lip-, lipo-
fat (LIPOsuction, LIPase, LIPoid)
177
lite-, ite-, lith-, litho-
mineral, rock, fossil (apatITE, granITE, monoLITH)
178
loc-
place (disLOCate, LOCation, reLOCate)
179
log-, logo-
word, doctrine, discourse (LOGic, monoLOGue, anaLOGy)
180
loqu-, locu-
speak (eLOQUent, LOQUacious, eLOCUation)
181
luc-
light (eLUCidate, LUCid, transLUCent)
182
lud-, lus-
to play (preLUDe, ilLUSion, deLUDe)
183
lumin-
light (ilLUMINate, LUMEN)
184
lun-, luna-, luni-
moon (LUNar, LUNarscape, LUNatic)
185
macro-
large, great (MACROevolution, MACROmolecule, MACROeconomics)
186
magn-, magna-, magni-
great, large (MAGNIfy, MAGNIficent, MAGNate)
187
mal-, male-
bad, ill, wrong (MALcontent, MALaria, MALicious)
188
man-, mani-, manu-
hand (MANeuver, MANUal, MANUscript)
189
mand-
to order (comMAND, deMAND, MANDate)
190
mania-
madness, insanity, excessive desire (biblioMANIA, egoMANIA, MANIAc)
191
mar-, mari-
sea (MARIna, MARItime, subMARIne, aquaMARIne)
192
mater-, matr-, matri-
mother (MATERnal, MATERnity, MATRIarch)
193
max-
greatest (MAXimal, MAXimize, MAXimum)
194
medi-
middle (MEDIeval, MEDIum, MEDIocre)
195
mega-
great, large, million (MEGApolis, MEGAphone, MEGAstructure)
196
melan-, melano-
black (MELANcholy, MELANOma, MELOdrama)
197
memor-, memori-
remember (comMEMORate, MEMORIal, MEMORy)
198
merge-, mers-
dip, dive (imMERGE, imMERSe,subMERGE)
199
meso-
middle (MESOamerica, MESOn)
200
meta-
change, after, beyond, between (METAphysics, METAmorphosis)
201
meter-, metr-, metry-
measure (audioMETER, chronoMETER, METRic)
202
micro-
very small, short, minute (MICRObe, MICROchip, MICROscope)
203
mid-
middle (MIDriff, MIDterm, MIDway)
204
migr-
move (imMIGRant, MIGRant, MIGRation)
205
milli-
onethousandth (MILLImeter, MILLIbar, MILLIliter)
206
min-, mini-
small, less (MINI, MINuscule, MINutiae)
207
mis-, miso-
bad, badly, wrong, wrongly, to hate (MISbehave, MISprint, MISnomer)
208
miss-, mit-
send, let go (disMISS, MISSile, eMIT, adMITtance)
209
mob-
move (imMOBolize, MOBile, MOBility)
210
mon-, mono-
one, single, alone (MONOchromat, MONOlogue, MONOtheism)
211
mot-, mov-
move (MOTion, MOTivate, proMOTe, reMOVable)
212
morph-, morpho-
form (metaMORPHosis, enDORPHins, aMORPHous)
213
mort-
death (imMORTal, MORTal, MORTician)
214
multi-
many, more than one or two (MULTIcolored, MULTImedia, MULTItasking)
215
mut-
change (imMUTable, MUTant, MUTate)
216
my-, myo-
muscle (MYOcardium, MYasthenia, MYosin)
217
narr-
tell (NARRate, NARRative, NARRator)
218
nat-
born (inNATe, NATal, NATural)
219
nav-
ship (circumNAVigate, NAVal, NAVigate)
220
necr-, necro-
dead, death (NECROphil, NECROsis, NECROlogy)
221
neg-
no (NEgate, NEGative, reNEGe)
222
neo-
new, recent (NEOclassic, NEOcolonism, NEOnatal)
223
nephr-, nephro-
kidney (NEPHRitis, NEPHROtomy, NEPHRon)
224
neur-, neuro-
nerve (NEURalgia, NEIROlogist, NEUROtic)
225
nom-, nomin-
name (misNOMer, NOMINal, NOMInate)
226
non-
no, not, without (NONdescipt, NONfiction, NONsense)
227
not-
mark (NOTable, NOtarize, anNOTate)
228
noun-, nunc-
declare (anNOUNce, deNOUNce, eNUNCiate)
229
nov-
new (inNOVate, NOVelty, NOVice, reNOVate)
230
numer-
number (eNUMERate, NUMERology, NUMERous)
231
ob-, op-
in the way, against (OBject, OBscure, OPposition)
232
oct-, octa-, octo-
eight (OCTAgon, OCTOgenerian, OCTOpus)
233
ocu-
eye (binOCUlars, monOCUla, OCUlist)
234
od-
path, way (diODe, ODometer, triODe)
235
omni-
all (OMNIpotent, OMNIscient, OMNIvorous)
236
op-, opt-, ops-
eye, visual condition, sight (OPtic, OPTician, autOPSy
237
opt-
best (OPTimal, OPTimize, OPTimum)
238
ortho-
straight (ORTHodontist, ORTHOpedic, ORTHOgraphy)
239
osteo-
bone (OSTEOarthritis, OSTEOpathy, OSTEOlogy)
240
out-
goes beyond, surpasses, exceeds (OUTgoing, OUTdoing, OUTdoor)
241
over-
excessive (OVERconfident, OVERstock, OVERexcited)
242
oxy-
sharp (OXYmoron, OXYdize)
243
pale-, paleo-
ancient (PALEOntology, PALEOgraphy, PALEOlithic)
244
pan-
all, any, everyone (PANacea, PANorama, PANdemic)
245
para-
beside, beyond, abnormal, assistant (PARAsite,PARAllel, PARAgraph)
246
para- (version 2)
protection from (PARAchute, PARAsol)
247
pater-, patr-, patri-
father (PATERnal, PATERnity, PATRIarch)
248
path-
feeling, emotion (antiPATHy, aPATHy, emPATHy)
249
ped-, pedi-, pede-
foot, feet (PEDal, PEDEstrian, PEDIcure)
250
pel-
drive, force (comPEL, exPEL, rePEL)
251
pent-, penta-
five (PENTAgon, PENTAgram, PENTAthlon)
252
pept-, peps-
digestion, (dysPEPSia, PEPTic, PEPSin)
253
per-
through, throughout (PERmanent, PERmeate, PERsist, PERennial)
254
peri-
around, enclosing (PERIodontal, PERIpheral, PERImeter)
255
phag-, phage-
to eat (esoPHAGus, anthropopPHAGy, sarcoPHAGy, xyloPHAGous)
256
phil-, philo-
love, friend (PHILanthropist, PHILOlogy, PHILOsophy, biblioPHIL)
257
phon-, phono-, phone-, phony-
sound (cacoPHONY, microPHONE, PHONEtic)
258
phot-, photo-
light (PHOTOgenic, PHOTOgraph, PHOTon)
259
phyll-, phyllo-
leaf (chloroPHYLL, PHYLLOtaxis, PHYLLite)
260
phys-
nature, medicine, the body (PHYSical, PHYSician, PHYSique)
261
phyt-, phyto-, phyte-
plant, to grow (epiPHYTE, hydroPHYTE, neoPHYTE)
262
plas-, plast-, plasm-
to form, development, forming cells (protoPLASM, PLASTic, PLASTer)
263
plaud-, plod-, plaus-, plos-
approve, clap (apPLAUD, exPLOSion, PLAUSible)
264
pneum-, pneumo-
breathing, lung, air, spirit (PNEUMOnia, PNEUmatic, dysPNEa)
265
pod-, pode-
root (PODiatrist, PODium, triPOD)
266
poli-
city (metroPOLIs, POLIce, POLitics)
267
poly-
many, more than one (POLYchrome, POLYglot, POLYgon)
268
pon-
place, put (opPONent, postPONe)
269
pop-
people (POPular, POPulation, POPulist)
270
port-
carry (exPORT, PORTable, PORTer)
271
pos-
place, put (dePOSit, exPOSe, POSition)
272
post-
after, behind (POSTthumous, POSTpone, POSTscript)
273
pre-
earlier, before, in front of (PREamble, PREpare, PREdiction)
274
pro-
before, in front of, for, forward (PROgnosis, PROlogue, PROphet)
275
prot-, proto-
primitive, first, chief (PROTOtype, PROton, PROTOcol)
276
pseud-, pseudo-
wrong, false (PSEUDOnym, PSEUDOscience, PSEUDOpregnancy)
277
psych-, psycho-
mind, mental (PSYCHe, PSYCHic, PSYCHOlogy)
278
pugn-, pugna-, pung-
to fight (PUGNAcious, rePUGNant, PUNGent)
279
pul-
urge (comPULsion, exPULsion, imPULsive)
280
purg-
clean (PURGe, PURGatory, exPURGate)
281
put-
think (comPUTer, disPUTe, inPUT)
282
pyr-, pyro-
fire, heat (PYROtechnics, PYROmeter, PYRetic)
283
quad-, quadr-, quadri-
four (QUADRant, QUADrennium, QUADruped)
284
quart-
fourth (QUARTer, QUART, QUARTet)
285
quin-, quint-
five, fifth (QUINtett, QUINTessence, QUINtuple)
286
radic-, radix-
root (eRADICate, RADICal, RADIsh)
287
radio-
radiation, ray (RADIOactive, RADIOlogist)
288
ram-, rami-
branch (RAMIfication, RAMify, RAMus)
289
re-
again, back, backward (REbound, REwind, REaction, REcognize)
290
reg-
guide, rule (REGent, REGime, REGulate)
291
retro-
backward, back (RETROactive, RETROgress, RETROspect)
292
rhin-, rhino-
nose (RHINOceros, RHINOplasty, RHINOvirus)
293
rhod-, rhodo-
red (RHODOdendron, RHODium, RHODOpsin)
294
rid-
laugh (deRIDe, RIDicule, RIDiculous)
295
rrh-, rrhea-, rrhoea-, rrhag
flow, discharge (diaRRHEA, hemoRRHAGe, cataRRH)
296
rub-
red (RUBy, RUbella, biliRUBin)
297
rupt-
break, burst (bankRUPT, interRUPT, RUPTure)
298
san-
health (SANe, SANitary, SANitation)
299
scend-
climb, go (aSCEND, creSCENDo, deSCEND)
300
sci-
know (conSCIence, conSCIous, omniSCIent)
301
scler-, sclero-
hard (arterioSCLEROsis, multiple, SCLEROsis, SCLEROmeter)
302
scop-, scope- scopy-
see, examine, observe (microSCOPE, periSCOPE, teleSCOPE)
303
scrib-, script-
write, written (inSCRIBe, SCRIBe, deSCRIBe)
304
se-
apart (SEcede, SEclude, SErum)
305
sect-
cut (disSECT, interSECT, biSECT)
306
sed-, sid-, sess-
sit (reSIDe, SEDiment, SESSion)
307
self-
of, for, or by itself (SELF-discipline, SELF-respect, SELFish)
308
semi-
half, partial (SEMiannual, SEMIcircle, SEMIcircuous, SEMIannual)
309
sept-, septi-
seven (SEPTember, SEPTet, SEPTuagenarian)
310
serv-
save, keep (conSERVe, preSERVe, reSERVation)
311
sex-
six (SEXtet, SEXtuple, SEXagenarian)
312
SOL-
alone (deSOLate, SOLitary, SOLo)
313
sol- (version 2)
sun (SOLar, paraSOL, SOLarium)
314
somn-, somni-
sleep (inSOMNIa, SOMNIloquy, SOMNolent)
315
son-
sound (conSONant, SONorous, superSONic, uniSON)
316
soph-
wise (philoSOPHer, SOPHisticated, SOPHism)
317
spec-, spect-, spic-
see, look (circumSPECt, retroSPECtive, SPECtator)
318
sphere-
ball (bioSPHERE, hemiSPHERE)
319
spir-
breathe (inSPIRe, tranSPIRe, SPIRit)
320
sta-
stand (STAble, STAgnant, STAtionary)
321
stell-
star (conSTELLation, interSTELLar, STELLar)
322
struct-
build (conSTRUCT, deSTRUCTion, STRUCTure, infraSTRUCTure)
323
sub-
under, lower than, inferior to (SUBmarine, SUBmerge, SUBstandard)
324
sum-
highest (SUM, SUMmation, SUMmit)
325
super-
higher in quality or quantity (SUPER bowl, SUPERior, SUPERsonic)
326
sy-, sym-, syn-, syl-, sys-
together, with, same (SYMmetry, SYNergy, SYNchronize)
327
tact-, tang-
touch (conTACT, TACTile, TANGible, inTACT)
328
tax-, taxo-
arrangement (synTAX, TAXonomy, aTAXia)
329
techno-
technique, skill (TECHNOlogy, TECHNOcracy, TECHNOlogically)
330
tel-, tele-, telo
far, distant, complete (TELEphone, TELEscope, TELEvision, TELEcommuting)
331
temp-, tempor-
time (conTEMPORary, TEMPORal, TEMPORary)
332
ten-, tin-, tent-
hold (conTINent, deTENTion, TENacious)
333
ter-, trit-
rub (atTRITion, deTRITus, TRITe)
334
term-, termina-
end, limit (deTERMine, TERMINAte, exTERMINAte)
335
terr-, terra-, terri-
land, earth (extraTERRestrial, TERRAin, TERRItory)
336
tetra-
four (TETRApod, TETRArchy, TETRose)
337
the-
put (biblioTHEca, THEme, THEsis)
338
the-, theo-
god (monoTHEism, polyTHEism, THEOlogy)
339
therm-, thermo-
heat (THERMal, THERMOs, THERMOstat)
340
tort-
twist (conTORTion, disTORT, reTORT)
341
tox-
poison (deTOXification, TOXic, TOXicology)
342
tract-
pull, drag (atTRACT, disTRACT, TRACTor)
343
trans-
across, beyond, through (TRANScontinental, TRANSfer, TRANSport)
344
tri-
three, once in every three, third (TRIangle, TRIathlon, TRIcycle)
345
ultra-
beyond, extreme, more than (ULTRAhigh, ULTRAmodern, ULTRAsonic)
346
un-
not, opposite of, lacking (UNabridged, UNfair, UNfriendly)
347
uni-
one, single (UNIcycle, UNIlateral, UNIque, UNIson)
348
urb-
city (subURB, URBan, URBanology)
349
vac-
empty (eVACuate, VACant, VACation)
350
ven-, vent-
come (circumVENT, conVENtion, interVENe)
351
ver-, veri-,
truth (VERacious, VERacity, VERIfy)
352
verb-
word (VERBalize, adVERB, proVERB)
353
vers-, vert-
turn (reVERSe, introVERT, VERSion, controVERSy)
354
vice-
acting in place of, next in rank (VICE-president)
355
vid-
see (eVIDent)
356
vince-, vic-
conquer (conVINCE, inVINCible, VICtory)
357
vis-, vid-
see (VISion, enVISion, eVIDent)
358
viv-, vivi-, vit-
live, life (reVIVal, VITal, VIVacious)
359
voc-, voci-
voice, call (adVOCate, equiVOCate, VOCalize)
360
vol-, voli-, volu-
wish, will (beneVOLent, VOLItion, VOLUntary)
361
vor-, vour-
eat (carniVORous, VORacious, deVOUR)
362
xanth-
yellow (XANTHium, XANTHochromia, XANTHogenic)
363
xen-, xeno-
foreign (XENOphobic, XENOgenesis, XENOphile)
364
xer-, xero-, xeri-
dry (XEROphyte, XEROgraphy, XERIc)
365
xyl-
wood (XYLocarp, XYLoid, XYLophone)
366
zo-, zoo-
animal life (ZOOlogy, ZOOid, ZOOplankton)
367
zyg-, zygo-
pair (ZYGote, ZYGOmorphic)
