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