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