Words Containing ROI and Ending in N

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

15 letter words2 Words
spheroidisation
spheroidization
14 letter words1 Word
microinjection
11 letter words2 Words
asteroidean
chondroitin
10 letter words1 Word
proinsulin
7 letter words2 Words
fibroin
ligroin
6 letter words2 Words
heroin
proign
5 letter words2 Words
groin
proin
4 letter words1 Word
roin