Here's what rhymes with diastems.
customs Words that almost rhyme with diastems
pustules muscles mussels busses shuttles couples touches troubles bubbles chapels doubles puzzles rushes tunnels jungles knuckles shovels blushes buckles funnels hovels puddles ruffles bicuspids cabals chuckles cudgels muzzles truffles hundreds discusses struggles bundles bunches clutches nuptials peduncles thrushes tumbles husbands pretences sponges compasses stumbles crumbles remonstrances