Words Containing PEI and Ending in M

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

11 letter words1 Word
cassiopeium
10 letter words1 Word
clypeiform