Numerical Prefixes

Question 1

bi-

Answer 1

2 (Latin)

binary, bifocal, bifurcate

Question 2

cent-

Answer 2

100 (Latin)

centimeter, century, centenary

Question 3

dec(a)-

Answer 3

10 (Latin, Greek)

decimal, decade, decennial, decahedron

Question 4

di- / dy-

Answer 4

2 (Greek)

dichotomy, dyad, diatonic

Question 5

dodec(a)-

Answer 5

12 (Greek)

dodecahedron, dodecathlon

Question 6

duo-

Answer 6

2 (Latin)

duet, dual, duo

Question 7

duode(c)-

Answer 7

12 (Latin)

duodecimal, duodecennial

Question 8

ennea-

Answer 8

9 (Greek)

enneahedron, enneangle, ennead

Question 9

hecato-

Answer 9

100 (Greek)

hecatogon, hecatohedron

Question 10

hendec(a)-

Answer 10

11 (Greek)

hendecagon, hendecathlon

Question 11

hepta-

Answer 11

7 (Greek)

heptagon, heptahedron, heptangle

Question 12

hexa-

Answer 12

6 (Greek)

hexagon, hexameter, hexahedron

Question 13

mille- / milli-

Answer 13

1,000 (Latin)

millennium, millimeter

Question 14

mono-

Answer 14

1 (Greek)

monarch, monotone, monad

Question 15

nov- / non-

Answer 15

9 (Latin)

novenniel, nonilateral, nonuple

Question 16

oct-

Answer 16

8 (Latin, Greek)

octopus, octagon, octet

Question 17

pendca-

Answer 17

15 (Greek)

pendecagon, pendecahedron

Question 18

penta-

Answer 18

5 (Greek)

pentagon, pentangle, pentahedron

Question 19

quadr- / quart-

Answer 19

4 (Latin)

quaternary, quadruple, quartet

Question 20

quatuor-

Answer 20

14 (Greek)

quatuordecimal, quatuordenary

Question 21

quinde(c)-

Answer 21

15 (Greek)

quindecimal, quinedanry

Question 22

quinquage-

Answer 22

50 (Latin)

quinquagesimal, quinquagenary

Question 23

quinque- / quint-

Answer 23

5 (Latin)

quintet, quituple, quinquennial

Question 24

sep(t)-

Answer 24

7 (Latin)

septennial, September

Question 25

sesqui-

Answer 25

1.5 (Greek)

sesquicentennial

Question 26

sex(t)-

Answer 26

6 (Latin)

sextet, sextuple, sexennial

Question 27

tetra-

Answer 27

4 (Greek)

tetrahedron, tetremeter, tetrathlon

Question 28

tetra(kai)deca-

Answer 28

14 (Greek)

tetradecagon, tetrakaidecahedron

Question 29

tri-

Answer 29

3 (Latin, Greek)

tricycle, triangle, trilateral

Question 30

tride(c)-

Answer 30

13 (Greek)

tridecimal, tridenary

Question 31

triskaideka-

Answer 31

13 (Greek)

triskaidecahedron, triskaidekaphobia

Question 32

unde(c)-

Answer 32

11 (Latin)

undecillion, undecennial

Question 33

uni-

Answer 33

1 (Latin)

unit, unify, unicorn