Words Containing IRR and Ending in M

Making a list of words with IRR that end in M? 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 IRR or words that end in M. Or both, obviously.

13 letter words1 Word
irrationalism
11 letter words2 Words
antirrhinum
irredentism
9 letter words1 Word
cirriform