Countable Nouns Ending in IUS and Containing O

This list gathers 19 English countable nouns ending in IUS and containing O, such as Gastrocnemius, Sartorius, Socius, Modius, Accessorius, Risorius and Brosmius. 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
1 words
accessorius
Starts with B
1 words
brosmius
Starts with C
3 words
colius
congius
cochlearius
Starts with D
2 words
dupondius
dochmius
Starts with E
1 words
enterobius
Starts with F
1 words
favonius
Starts with G
2 words
gastrocnemius
gloydius
Starts with I
1 words
ichthyophthirius
Starts with M
1 words
modius
Starts with O
1 words
octonarius
Starts with P
1 words
protospatharius
Starts with R
1 words
risorius
Starts with S
2 words
sartorius
socius
Starts with T
1 words
trollius

•Browse Countable Nouns by Letter (A to Z)

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