Countable Nouns Ending in CUS and Containing O

Browse 54 valid English countable nouns ending in CUS and containing O, from Focus, Refocus, Locus, Autofocus, Crocus, Streptococcus and Defocus 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
6 words
autofocus
andronicus
australopithecus
aegyptopithecus
anthropopithecus
adenoncus
Starts with C
13 words
crocus
coccus
cryptococcus
cercopithecus
cocus
centrocercus
chalcioecus
cephalodiscus
chilomeniscus
chlorococcus
celioncus
chiloncus
coelococcus
Starts with D
7 words
defocus
diplodocus
diplococcus
dermococcus
desmoncus
dicranocercus
deradenoncus
Starts with E
4 words
enterococcus
echinococcus
eleutherococcus
exoascus
Starts with F
2 words
focus
floccus
Starts with G
1 words
gonococcus
Starts with H
2 words
hocus
holodiscus
Starts with L
1 words
locus
Starts with M
4 words
meningococcus
misfocus
micrococcus
melicoccus
Starts with O
3 words
overfocus
opinicus
oncus
Starts with P
2 words
pneumococcus
prefocus
Starts with R
2 words
refocus
rhoncus
Starts with S
5 words
streptococcus
staphylococcus
scholasticus
sceloncus
sialadenoncus
Starts with T
1 words
trochiscus
Starts with Z
1 words
zygomaticus

•Browse Countable Nouns by Letter (A to Z)

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