Words Containing O and Ending in PEN

Making a list of words with O that end in PEN? 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 PEN. Or both, obviously.

10 letter words1 Word
owerloupen
9 letter words1 Word
overripen
8 letter words2 Words
semiopen
unholpen
7 letter words1 Word
autopen
6 letter words6 Words
gowpen
holpen
loipen
loupen
reopen
unopen
5 letter words1 Word
copen
4 letter words1 Word
open