Words Containing IEN and Ending in M

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

15 letter words1 Word
experientialism
12 letter words1 Word
quadriennium
11 letter words3 Words
clientelism
definiendum
orientalism
9 letter words3 Words
clientism
scientism
triennium
8 letter words2 Words
alienism
biennium