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