Countable Nouns Ending in A and Containing OM

This list gathers 356 English countable nouns ending in A and containing OM, such as Comma, Aroma, Diploma, Coma, Omega, Lymphoma and Melanoma. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.

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Starts with A
24 words
aroma
andromeda
adenoma
adenocarcinoma
astrocytoma
atheroma
angiosarcoma
angioma
antonomasia
angiofibroma
anisometropia
adamantinoma
angiolipoma
ankylostoma
adenosarcoma
angiokeratoma
antilegomena
adenolipoma
adipoma
aboma
angiomyoma
adenocystoma
adenostoma
adenolymphoma
Starts with B
10 words
blastoma
boma
bromelia
bombora
botryomycoma
batrachomyomachia
blepharocoloboma
blepharocarcinoma
blepharoatheroma
bromidrosiphobia
Starts with C
24 words
comma
coma
carcinoma
chroma
condyloma
chamomilla
cholesteatoma
chondroma
commedia
chondrosarcoma
cavernoma
cystadenoma
comitia
choriocarcinoma
coloboma
computerphobia
cyclostoma
cephalhematoma
cephalohematoma
chloroma
chorioma
comatula
cylindroma
cryptomeria
Starts with D
12 words
diploma
diastematomyelia
decalcomania
diatoma
desmoma
dermatoma
diazoma
diapheromera
dentinoma
dermatomyoma
desmocytoma
deutomala
Starts with E
24 words
encomienda
ependymoma
enchondroma
epithelioma
ectomycorrhiza
enantiodromia
enteromorpha
entomofauna
eustoma
embryoma
endothelioma
eucommia
eromania
encephalomalacia
entoloma
enameloma
endomycorrhiza
entomophthora
encephaloma
endothelioblastoma
entomophila
eupomatia
episiohematoma
epistroma
Starts with F
7 words
fibroma
fibroadenoma
fibrosarcoma
francomania
fibromyxosarcoma
farcinoma
fibroenchondroma
Starts with G
8 words
glaucoma
glioma
granuloma
glioblastoma
gompa
gomphrena
groma
golomynka
Starts with H
16 words
hematoma
hemangioma
hypomania
homa
hygroma
hybridoma
hepatoma
homologoumena
hydromedusa
hydroma
hydrosoma
homeria
hematocolpometra
homologumena
hematolymphangioma
hypersarcoma
Starts with I
5 words
ipomoea
isangoma
islomania
iochroma
isotoma
Starts with K
4 words
kombucha
komatsuna
keratoma
kirengeshoma
Starts with L
13 words
lymphoma
lipoma
loma
leiomyoma
lymphangioma
leukoma
lymphogranuloma
lymphosarcoma
lymphadenoma
leucoma
lymphangioendothelioma
lordoma
lymphangiofibroma
Starts with M
15 words
melanoma
myeloma
mesothelioma
meningioma
monomania
myoma
medulloblastoma
myxoma
metasoma
myxofibrosarcoma
mycetoma
malaroma
micromeria
myelolymphangioma
myxochondrosarcoma
Starts with N
10 words
neuroblastoma
neuroma
nomenklatura
nephroblastoma
neurofibroma
ngoma
neomarica
neuroepithelioma
narcoma
nosocomephobia
Starts with O
15 words
omega
onomatopoeia
oma
osteosarcoma
oligodendroglioma
osteoma
opisthosoma
odontoma
omija
osteochondrosarcoma
ophthalmocarcinoma
osteoenchondroma
osteochondrofibroma
osteoencephaloma
orchiencephaloma
Starts with P
20 words
papilloma
parasomnia
philomela
peperomia
polyoma
paronomasia
phocomelia
pheochromocytoma
pleroma
prosoma
paralipomena
perizoma
psychomachia
pomarrosa
pitomba
papillocarcinoma
pneumonocarcinoma
pharyngoscleroma
papilloadenocystoma
plasmosoma
Starts with R
9 words
roma
retinoblastoma
rhabdomyosarcoma
romanza
romneya
rhabdomyoma
rhinoscleroma
romaika
romulea
Starts with S
24 words
sarcoma
stoma
soma
stroma
scotoma
seminoma
sangoma
seroma
schistosoma
scleroma
somma
stichomythia
steatoma
staphyloma
scyphistoma
syphiloma
stegomyia
semicoma
siphonostomata
saxotromba
scotomia
sideroma
schistosomia
salomonia
Starts with T
21 words
tombola
thrombocytopenia
trachoma
teratoma
thymoma
thrombophilia
tulipomania
theomania
tecoma
tuberculoma
teratocarcinoma
tokonoma
tomistoma
technomania
tritoma
tomophobia
typomania
trichoepithelioma
toxicomania
tecomaria
trachelectomopexia
Starts with V
1 words
vomica
Starts with W
2 words
woomera
woma
Starts with X
6 words
xanthoma
xanthosoma
xeroma
xanthomyeloma
xyloma
xylostroma
Starts with Z
2 words
zygoma
zambomba

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