Compound Nouns Ending in US and Containing O

This list gathers 61 English compound nouns ending in US and containing O, such as Coronavirus, Autofocus, Cytomegalovirus, Papillomavirus, Adenovirus, Poliovirus and Cumulonimbus. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to check closed, hyphenated, and open compound rules.

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Starts with A
5 words
autofocus
adenovirus
autobus
altostratus
aerobus
Starts with B
3 words
baculovirus
bulbocavernosus
bronchotyphus
Starts with C
11 words
coronavirus
cytomegalovirus
cumulonimbus
coxsackievirus
cirrostratus
cirrocumulus
cumulostratus
carpometacarpus
cumulocirrus
cephalothoracopagus
centronucleus
Starts with E
3 words
enterovirus
echovirus
electrobus
Starts with F
3 words
fractostratus
ferrophosphorus
fractocumulus
Starts with K
1 words
kinetonucleus
Starts with M
8 words
microbus
metapneumovirus
motorbus
morbillivirus
myxovirus
macronucleus
mycovirus
microfungus
Starts with O
5 words
organophosphorus
oncovirus
overplus
orthomyxovirus
oncornavirus
Starts with P
10 words
papillomavirus
poliovirus
poxvirus
postbus
polyomavirus
parlez-vous
pneumovirus
permocarboniferous
pneumobacillus
pharyngopalatinus
Starts with R
4 words
rotavirus
reovirus
rhabdovirus
radiophosphorus
Starts with S
3 words
stratocumulus
semichorus
salpingomalleus
Starts with T
4 words
trolleybus
togavirus
tarsometatarsus
tibiotarsus
Starts with U
1 words
uredosorus

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