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