Here's what rhymes with threemain.
main mane gain pain remain chain rain reign ln vain vein cane humane lane sane fain lain pane rein bane tain vane wane deign feign humaine inane moraine romaine arraign thane wain murrain brain domain grain plain plane train attain retain drain insane slain stain regain terrain crane twain germane skein urbane swain retrain reattain contain maintain obtain campaign strain sustain refrain champagne cocaine profane restrain detain hurricane mundane pertain ordain arcane butane cellophane certaine halothane inhumane sprain urethane chicane ingrain wholegrain ascertain complain entertain disdain abstain aeroplane sugarcane overlain appertain foreordain preordain explain constrain monoplane legerdemain windowpane hydroplane reexplain polyurethane coxswain demimondaine Words that almost rhyme with threemain
name rename maim same came game fame shame lame tame dame claim frame blame flame reclaim filename forename became acclaim inflame aflame selfsame defame proclaim overcame declaim aspartame ballgame exclaim disclaim quitclaim counterclaim