Words Containing O and Ending in IUS

Making a list of words with O that end in IUS? Sounds fun. Also sounds pretty specific. A list like that could go a long way, we're sure. This complete word list is tailored to your search parameters, whether they are words with O or words that end in IUS. Or both, obviously.

15 letter words1 Word
protospatharius
13 letter words1 Word
gastrocnemius
11 letter words1 Word
accessorius
10 letter words1 Word
octonarius
9 letter words2 Words
dupondius
sartorius
8 letter words4 Words
dochmius
ignotius
risorius
trollius
7 letter words1 Word
congius
6 letter words1 Word
modius