Compound Nouns Ending in US and Containing OS

This list gathers 10 English compound nouns ending in US and containing OS, such as Organophosphorus, Cirrostratus, Altostratus, Postbus, Fractostratus, Cumulostratus and Bulbocavernosus. 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
1 words
altostratus
Starts with B
1 words
bulbocavernosus
Starts with C
2 words
cirrostratus
cumulostratus
Starts with F
2 words
fractostratus
ferrophosphorus
Starts with O
1 words
organophosphorus
Starts with P
1 words
postbus
Starts with R
1 words
radiophosphorus
Starts with U
1 words
uredosorus

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