Latin Singular to Plural Nouns Flashcards
When a Latin singular noun end in -us, form the plural by changing….
-us to -i
(i = sound like eye/ie as in tie)
there are exceptions (fetus, virus, and sinus with use English-type plurals fetuses, viruses, and sinuses)
When a Latin singular noun ends in -a form the plural by changing…
-a to -ae
ae = ee sound
When a Latin singular noun ends in -um, form the plural by changing….
-um to -a
a = ah sound
When a Latin singular noun ends in -is, form the plural by changing…
-is to -es
es sounds like eez
When a Latin singular noun ends in -ex, form the plural by changing…
-ex to ices
ices sounds like ih-seez
areola (ah-REE-oh-lah)
areolae (ah-REE-oh-lee)
bursa (BER-sah)
bursae (BER-see)
conjunctiva (con-junk-TY-vah)
conjunctivae (con-junk-TY-vee)
patella (pah-TEL-ah)
patellae (pah-TEL-ee)
petechia (peh-TEE-kee-ah)
petechiae (peh-TEE-kee-ee)
ruga (ROO-gah)
rugae (ROO-gee)
scapula (SKAP-yoo-lah)
scapulae (SKAP-yoo-lee)
sclera (SKLEER-ah)
sclerae (SKLEER-ee)
vertebra (VER-teh-brah)
vertebrae (VER-teh-bree)
fetus
fetuses
virus
viruses
sinus
sinuses
alveolus (al-VEE-oh-lus)
alveoli (al-VEE-oh-lie)
bronchus (BRONG-kus)
bronchi (BRONG-ki)
calculus (KAL-kyoo-lus)
calculi (KAL-kyoo-lie)
decubitus (dee-KYOO-bih-tus)
decubiti (dee-KYOO-bih-tie)
glomerulus (gloh-MAIR-yoo-lus)
glomeruli (gloh-MAIR-yoo-lie)
gyrus (JY-rus)
gyri (JY-rye)
nucleus (NOO-klee-us)
nuclei (NOO-klee-eye)
sulcus (SUL-kus)
sulci (SUL-sigh)
thrombus (THRAWM-bus)
thrombi (THRAWM-by)
villus (VIL-us)
villi (VIL-eye)
atrium (AA-tree-um)
atria (AA-tree-ah)
bacterium (bak-TEER-ee-um)
bacteria (bak-TEERee-ah)
diverticulum (dy-ver-TIH-kyoo-lum)
diverticula (dy-ver-TIH-kyoo-lah)
haustrum (HAW-strum)
haustra (HAW-strah)
hilum (HY-lum)
hila (HY-lah)
labium (LAY-bee-um)
labia (LA-bee-ah)
ovum (OH-vum)
ova (OH-vah)
diagnosis (dy-ag-NOH-sis)
diagnoses (dy-ag-NOH-seez)
testis (TES-tis)
testes (TES-teez)
apex (AA-peks)
apices (AA-pih-seez)
cortex (KOR-teks)
cortices (KOR-tih-seez)
index (IN-deks)
indices (IN-dih-seez)
