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