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