There are 31 words that end with 'oi'.
Note: These 31 words that end with 'oi' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with roi, hoi, loi, aoi, doi, koi, poi, toi, voi, boi, coi, goi, moi, ooi, soi, zoi.