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