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