Nouns Ending in A and Containing OS

Browse 266 valid English nouns ending in A and containing OS, from Nostalgia, Mimosa, Samosa, Rosacea, Tostada, Hosanna and Ambrosia to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review pluralization and capitalization rules.

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Starts with A
24 words
ambrosia
angostura
anosmia
appaloosa
angiosarcoma
agnosia
azoospermia
autostrada
amargosa
anosognosia
ankyloglossia
amorosa
ankylostoma
adenosarcoma
aglossia
annulosa
aftosa
afrormosia
anostraca
agrostemma
adenostoma
angiomyosarcoma
anosia
anosphresia
Starts with B
3 words
bosna
blepharosynechia
bromidrosiphobia
Starts with C
24 words
costa
coosa
cyclospora
curiosa
crostata
chondrosarcoma
crocosmia
celosia
certosa
cyclostoma
coscoroba
cosmea
crossandra
carcinosarcoma
cosmorama
crassostrea
coprosma
cyclostomata
cercospora
chondromyxosarcoma
cynosura
centrosema
certosina
cystadenosarcoma
Starts with D
11 words
dosa
drosophila
dosha
doosra
diglossia
drosera
delosperma
deuterostomata
deuterostoma
dermatosiophobia
dextrosuria
Starts with E
16 words
eosinophilia
enhypostasia
eosinopenia
entomostraca
eosophobia
emydosauria
eriosoma
endostoma
endosteoma
exostema
exostra
enaliosauria
emboscata
eucosia
eproboscidea
eriglossa
Starts with F
7 words
formosa
fossa
fibrosarcoma
frontosa
fossula
filosa
fibromyxosarcoma
Starts with G
12 words
glossolalia
glycosuria
galactosemia
glossophobia
glucosuria
glossa
glossina
gloriosa
gospoda
glossodynia
gastrosuccorrhea
gymnospermophyta
Starts with H
13 words
hiroshima
hosanna
hosta
heteroglossia
hyperphosphatemia
hypereosinophilia
hyperosmia
hemostasia
hydrosoma
hyposthenia
hyperprosexia
hypoeosinophilia
hymenospora
Starts with I
2 words
idioglossia
isosthenuria
Starts with J
1 words
jaborosa
Starts with K
1 words
kenosha
Starts with L
3 words
lefkosia
lymphosarcoma
lactosuria
Starts with M
8 words
mimosa
mucosa
mariposa
moskva
matryoshka
margosa
myxofibrosarcoma
myxochondrosarcoma
Starts with N
8 words
nostalgia
nicosia
neurospora
nosema
nosophobia
nostomania
nishinoshima
nosocomephobia
Starts with O
24 words
osaka
osteosarcoma
osteria
ostia
osteopenia
osetra
osteomalacia
osteoma
ossia
ostrava
ossetra
osmophobia
opisthosoma
oligospermia
osmunda
osmophilia
osteochondrosarcoma
ossifraga
ostrowskia
osteoenchondroma
osteochondrofibroma
osteoencephaloma
osteocolla
oligophosphaturia
Starts with P
24 words
ponderosa
posada
prosopagnosia
parosmia
proboscidea
palmarosa
prosoma
prosopopoeia
prosthodontia
pomarrosa
phosphaturia
postcava
prosenchyma
paraglossa
pyrostegia
prostanthera
pseudoscorpionida
proseucha
prosoponeuralgia
pteridospermaphyta
physostegia
pteridospermopsida
pharyngoscleroma
plasmosoma
Starts with R
14 words
rosa
rosacea
rosella
roseola
rhabdomyosarcoma
rosalia
rugosa
roosa
rosula
rosticceria
rhinoscleroma
roscoea
retinospora
rhynchospora
Starts with S
24 words
samosa
saragossa
serosa
scabiosa
submucosa
schistosoma
sosia
starosta
streptosepticemia
subcosta
siphonostomata
strephosymbolia
schistosomia
sospita
saccharosuria
siphonostoma
sarcosporida
sarcostemma
schistosternia
schistoglossia
salpingostenochoria
sarcosoma
schistoprosopia
sorosporella
Starts with T
5 words
tostada
tosa
tallapoosa
tephrosia
topagnosia
Starts with V
2 words
villahermosa
virtuosa
Starts with W
1 words
wauwatosa
Starts with X
6 words
xerostomia
xenoglossia
xiphosura
xylosma
xanthosoma
xylostroma
Starts with Y
1 words
yokosuka
Starts with Z
3 words
zoospermia
zostera
zosma

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