Here's what rhymes with umbay.
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 tj tre wei bray dray neigh brae cay fey roue shay moray trey spay umbrae away today delay clay convey decay essay gray grey okay spray ballet repay stray sway astray fray slay underway allay bouquet ok passe sleigh gangway naturae saute underlay zwei flay belay inveigh splay nisei purvey toupee noway aurae underpay aweigh copay survey anyway holiday betray cafe dismay halfway runaway valet attache defray disarray fillet lamellae cabaret dossier matinee puree replay alleyway lingerie parquet workaday filet airplay byplay prepay sachet sorbet underplay hooray overpay sickbay briquet hurray medullae outplay outstay reweigh misplay display everyday interplay portray vertebrae cliche disobey faraway naivete overlay papillae passageway waterway emigre francais nebulae toothache crochet croquet getaway risque soiree souffle wordplay caraway carriageway castaway hideaway patellae pleurae soubriquet stowaway overplay overstay roundelay urethrae layaway bobsleigh penumbrae tearaway respray yesterday protege microarray societe breakaway fistulae maxillae sobriquet fibulae giveaway ricochet throwaway resurvey stingray takeaway flyaway macrame caesurae copulae foldaway tarantulae formulae communique sequelae scapulae straightaway cabriolet salmonellae uvulae cybercafe walkaway companionway trabeculae caravanserais