Here's what rhymes with interplay.
play re lay pray ray prey tray yea ley rei drei lei rea tre bray dray brae roue trey they may day way say pay delay j array bay clay gay gray grey k che hay nay spray weigh ballet betray stray astray fay fe fray slay allay dey hey papillae sei sleigh whey bj bk jay kc payee rj tae tj wei bey flay neigh belay cay fey shay splay byplay patellae underplay aurae away stay today display decay essay obey okay portray repay sway oj valet vertebrae bouquet defray fillet ij ok passe dossier emigre fj puree replay underlay zwei parquet filet airplay moray prepay purvey toupee hooray overplay briquet hurray outplay reweigh spay umbrae aweigh bobsleigh misplay survey convey cafe dismay underway attache cliche disarray lamellae overlay passageway cabaret naturae nebulae saute alleyway crochet croquet fistulae risque soiree souffle wordplay inveigh nisei pleurae sachet sorbet soubriquet stowaway noway urethrae layaway medullae outstay underpay copay penumbrae tearaway respray anyway everyday yesterday holiday halfway runaway disobey faraway protege waterway francais gangway matinee toothache breakaway getaway lingerie maxillae sobriquet workaday caraway fibulae hideaway ricochet throwaway resurvey stingray flyaway overpay overstay roundelay sickbay caesurae copulae tarantulae formulae naivete sequelae microarray scapulae straightaway cabriolet carriageway castaway giveaway takeaway macrame uvulae cybercafe foldaway walkaway communique societe trabeculae salmonellae companionway caravanserais