Countable Nouns Ending in US and Containing OP

This list gathers 77 English countable nouns ending in US and containing OP, such as Octopus, Opus, Esophagus, Hippopotamus, Sarcophagus, Acidophilus and Australopithecus. 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
9 words
acidophilus
australopithecus
anthropophagus
aegyptopithecus
apostrophus
aechmophorus
anthropopithecus
anoplanthus
anophthalmus
Starts with C
18 words
cercopithecus
craniopagus
catoptrophorus
centropomus
centropus
cephalopagus
chaetopterus
cephalopterus
cynopterus
cyclophorus
cephalophus
chorepiscopus
cephalothoracopagus
calylophus
chondropharyngeus
chlorophoneus
cryophorus
cardophagus
Starts with D
1 words
dilophosaurus
Starts with E
8 words
esophagus
electrophorus
elephantopus
eoanthropus
epistropheus
epomophorus
etropus
elytropolypus
Starts with G
2 words
geophagus
glossopharyngeus
Starts with H
2 words
hippopotamus
hoppus
Starts with I
1 words
ichthyophthirius
Starts with M
1 words
mopus
Starts with O
5 words
octopus
opus
organophosphorus
opinicus
opulus
Starts with P
10 words
parasaurolophus
paranthropus
popliteus
propositus
pithecanthropus
pyrophorus
pyropus
palatopharyngeus
pharyngopalatinus
plicatoperipatus
Starts with S
11 words
sarcophagus
sinanthropus
sceloporus
strophanthus
sitophilus
sarcophilus
scalopus
scaphiopus
schoenoplectus
salpingopharyngeus
schistoprosopus
Starts with T
2 words
tropheus
tophus
Starts with X
2 words
xenopus
xiphopagus
Starts with Z
5 words
zinjanthropus
zoophagus
zophorus
zoophorous
zoophorus

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