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