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