Here's what rhymes with inquain.
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 ingrain brain plain plane train attain drain insane slain stain cocaine terrain inane moraine skein urbane murrain contain maintain obtain remain campaign domain strain retain entertain regain detain mundane pertain ordain arcane certaine germane romaine sprain chicane explain sustain ascertain complain refrain champagne disdain humane profane abstain aeroplane hurricane sugarcane butane cellophane humaine inhumane overlain appertain urethane coxswain retrain windowpane wholegrain reattain restrain constrain halothane monoplane legerdemain demimondaine preordain reexplain hydroplane foreordain polyurethane Words that almost rhyme with inquain
same came name claim game fame shame lame tame dame maim frame blame flame acclaim inflame became exclaim reclaim aflame disclaim rename declaim defame quitclaim proclaim overcame filename selfsame ballgame forename counterclaim aspartame