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