Countable Nouns Ending in US and Containing CU

Browse 159 valid English countable nouns ending in US and containing CU, from Focus, Circus, Calculus, Caucus, Refocus, Locus and Hibiscus 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
17 words
autofocus
abacus
amicus
andronicus
altocumulus
australopithecus
arcus
ascus
aesculus
aculeus
apiculus
aegyptopithecus
amaracus
andricus
anthropopithecus
abaciscus
adenoncus
Starts with B
3 words
baculovirus
bubulcus
bruscus
Starts with C
24 words
circus
calculus
caucus
crocus
cumulus
cumulonimbus
cursus
coccus
cuscus
cuneus
cryptococcus
colliculus
cultus
cirrocumulus
canaliculus
cubitus
cercopithecus
cercus
circumbendibus
cocculus
cupressus
cysticercus
cumulostratus
climacus
Starts with D
14 words
discus
decubitus
defocus
diplodocus
diplococcus
dracunculus
discursus
dipsacus
didunculus
didiscus
dermococcus
desmoncus
dicranocercus
deradenoncus
Starts with E
9 words
epicurus
enterococcus
excursus
echinococcus
eleutherococcus
erithacus
eptesicus
exoascus
embryulcus
Starts with F
11 words
focus
ficus
fiscus
funiculus
fucus
flocculus
fasciculus
floccus
fractocumulus
fonticulus
falcunculus
Starts with G
1 words
gonococcus
Starts with H
4 words
hibiscus
homunculus
hocus
holodiscus
Starts with I
3 words
incubus
incus
iliacus
Starts with J
1 words
juncus
Starts with L
4 words
locus
loculus
lumbricus
lemniscus
Starts with M
8 words
meniscus
meningococcus
misfocus
micrococcus
monticulus
mancus
melicoccus
malvaviscus
Starts with O
4 words
oculus
overfocus
opinicus
oncus
Starts with P
5 words
panniculus
pediculus
pneumococcus
prefocus
proventriculus
Starts with R
5 words
refocus
ranunculus
rhoncus
ruscus
rypticus
Starts with S
19 words
streptococcus
succubus
sulcus
staphylococcus
sambucus
stratocumulus
saccus
sacculus
scholasticus
sivapithecus
succus
sphyrapicus
scincus
sipunculus
siphunculus
surculus
specus
sceloncus
sialadenoncus
Starts with T
1 words
trochiscus
Starts with U
4 words
umbilicus
uncus
utriculus
uraniscus
Starts with V
3 words
viscus
vicus
ventriculus
Starts with X
1 words
xenicus
Starts with Z
1 words
zygomaticus

•Browse Countable Nouns by Letter (A to Z)

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