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