Countable Nouns Ending in S and Containing OP

Browse 319 valid English countable nouns ending in S and containing OP, from Troops, Oops, Optics, Pops, Hoops, Tropics and Hops to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with A
24 words
acropolis
acidophilus
anopheles
arabidopsis
australopithecus
apophysis
aerotropolis
apophasis
anthropophagus
aposiopesis
adenohypophysis
anthropomorphosis
anthroponosis
ampelopsis
anemopsis
anophthalmos
aegilops
aegyptopithecus
apostrophus
aechmophorus
angiopteris
antigropelos
antigropeloes
autopsychoanalysis
Starts with B
7 words
bothrops
bishopess
brontops
beechdrops
blepharophimosis
botryopteris
brachiostrophosis
Starts with C
24 words
chops
chopsticks
cyclops
choppers
coreopsis
copperworks
chemoprophylaxis
cosmopolis
cercopithecus
caryopteris
caryopsis
calliopsis
craniopagus
cereopsis
chorioptes
codonopsis
corylopsis
catoptrophorus
centropomus
centropristis
centropus
cephalopagus
chaetopterus
choeropsis
Starts with D
10 words
droppings
dropsies
dilophosaurus
dermatophytosis
diadophis
diapophysis
dendrophis
dictyopteris
dicranopteris
dacryocystoptosis
Starts with E
24 words
esophagus
esophagitis
eardrops
electrophoresis
euryops
echinops
eryops
electrophorus
elephantopus
eumetopias
ethiops
epidermophytosis
eoanthropus
epistropheus
ellops
endopericarditis
eumops
endophlebitis
elops
epomophorus
endoesophagitis
eriophyes
etropus
esophagostenosis
Starts with F
2 words
fasciolopsis
fibropericarditis
Starts with G
4 words
gigaflops
geophagus
glossopharyngeus
gastrocoloptosis
Starts with H
13 words
hoops
hops
hippopotamus
hypophysis
hydrops
hepatopancreas
heliopsis
hoppus
holophrasis
hydropathics
hydropericarditis
hydropneumatosis
hepatoperitonitis
Starts with I
10 words
improperness
iontophoresis
immunoelectrophoresis
ionophoresis
ideopolis
illadopsis
immunophoresis
ipomopsis
isoplexis
ichthyophthirius
Starts with L
5 words
loppers
leopardess
lithops
lopgrass
laryngoparalysis
Starts with M
15 words
metropolis
megalopolis
muttonchops
mythopoesis
mucopolysaccharidosis
meconopsis
micropolis
monopteros
megalops
mycoplasmosis
mopus
myops
monopsis
monops
miltoniopsis
Starts with N
5 words
necropolis
neurohypophysis
nephroptosis
nyctalops
nephrocoloptosis
Starts with O
20 words
oops
optics
octopus
opus
organophosphorus
osteopetrosis
onomatopoiesis
optimates
ophrys
opisthotonos
opponens
opinicus
ophites
opulus
opisthodomos
ophthalmomycosis
ophthalmodiagnosis
ophthalmomyositis
ophthalmoneuritis
ophthalmorrhexis
Starts with P
24 words
pops
props
poppers
psyops
prophetess
prophylaxis
paratroops
proprietress
propers
petaflops
parasaurolophus
paranthropus
popliteus
phalaenopsis
proptosis
protoceratops
propositus
pithecanthropus
panophthalmitis
philosophess
piroplasmosis
pyrophorus
philosopheress
pseudopleuronectes
Starts with R
5 words
rollmops
ropeworks
rynchops
rhinopharyngitis
rhipsalidopsis
Starts with S
24 words
synopsis
sarcophagus
subtropics
slops
salopettes
semitropics
synoptics
solenopsis
sarcoptes
sinanthropus
skopets
sceloporus
sciaenops
struthiopteris
strophanthus
sitophilus
sarcophilus
scalopus
sciadopitys
stylops
syphilopsychosis
scaphiopus
schoenoplectus
slopworks
Starts with T
16 words
troops
tropics
triceratops
topos
thrombophlebitis
tropheus
tophus
thanatopsis
technopolis
topworks
topcross
tropotaxis
trichophytosis
trophoneurosis
trophobiosis
thermopsis
Starts with U
1 words
ureteropyelonephritis
Starts with V
1 words
visceroptosis
Starts with X
3 words
xenopus
xenops
xiphopagus
Starts with Z
8 words
zygapophysis
zinjanthropus
zosterops
zoophagus
zophorus
zoophorous
zygopteris
zoophorus

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