Nouns Ending in OID and Containing S

This list gathers 153 English nouns ending in OID and containing S, such as Steroid, Asteroid, Corticosteroid, Sigmoid, Solenoid, Ellipsoid and Spheroid. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review pluralization and capitalization rules.

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Starts with A
6 words
asteroid
astroid
adrenocorticosteroid
asconoid
alisphenoid
aspidioid
Starts with B
1 words
blastoid
Starts with C
15 words
corticosteroid
caucasoid
crystalloid
cystoid
cestoid
cleidomastoid
cissoid
cosmoid
cypseloid
crescentoid
cysticercoid
caesalpinoid
clypeastroid
centriscoid
catostomoid
Starts with D
6 words
discoid
desmoid
dispersoid
disdodecahedroid
dermestoid
dishexecontahedroid
Starts with E
8 words
ellipsoid
eicosanoid
erysipeloid
emulsoid
eskimoid
ethmosphenoid
etheostomoid
entosphenoid
Starts with F
3 words
fistularioid
fascioloid
favositoid
Starts with H
4 words
hemispheroid
hydromedusoid
hypsilophodontoid
histiophoroid
Starts with I
2 words
isoflavonoid
isoprenoid
Starts with K
1 words
ketosteroid
Starts with M
5 words
mastoid
medusoid
meniscoid
molluscoid
muscoid
Starts with N
2 words
nonsteroid
norsteroid
Starts with O
6 words
osteoid
obeliskoid
obeliscoid
orbitosphenoid
oniscoid
occipitosphenoid
Starts with P
8 words
parasitoid
plasmoid
prismoid
psychoid
prismatoid
parasphenoid
paramastoid
pseudoanthropoid
Starts with Q
1 words
quadricrescentoid
Starts with R
1 words
resinoid
Starts with S
24 words
steroid
sigmoid
solenoid
spheroid
schizoid
sangfroid
scaphoid
styloid
sinusoid
sphenoid
sternocleidomastoid
scombroid
sesamoid
sarcoid
sleazoid
sternomastoid
sphingoid
siluroid
salmonoid
satelloid
scaraboid
stromatoporoid
sirenoid
spermatozoid
Starts with T
2 words
tarsioid
thyrsoid
Starts with V
2 words
vespoid
virusoid
Starts with X
1 words
xenosauroid

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