Interest rhymes with:
noninterest, noninterest, buttressed, noninterest, psychiatrist, aquarist, armbrust, barest, buttressed, dearest, deforest, direst, embarrassed, florist, forest, forrest, guitarist, jurist, laforest, merest, nearest, noninterest, pendergrast, psychiatrist, purest, rainforest, rarest, reforest, severest, terraced, tourist
Interest sounds like:
indirect, interact, interacted, intercede, interceded, intercity, interested, interject, interjected, interrogate, interrogated, intersect, intersected, interstate, intourist, intrastate, intrawest, intricate, intrigued