Words Containing UM and Ending in X

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

12 letter words1 Word
pneumothorax
10 letter words2 Words
chalumeaux
circumflex
8 letter words2 Words
scrumpox
trumeaux
7 letter words2 Words
flummox
humidex
6 letter words1 Word
lummox