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