Here's what rhymes with multiarray.
re lay ray yea ley rei lei rea roue aurae 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 away stay delay essay obey okay spray ballet betray repay stray sway oj valet defray fillet ij ok bj bk dossier fj puree replay saute tj zwei alleyway parquet soiree belay filet splay byplay moray sorbet hooray hurray reweigh spay umbrae aweigh today display survey decay holiday cafe dismay halfway portray astray attache bouquet cliche disarray faraway lamellae overlay papillae passe cabaret gangway naturae toothache underlay crochet croquet risque souffle wordplay caraway inveigh airplay nisei patellae pleurae prepay purvey sachet toupee underplay noway urethrae briquet layaway medullae outplay bobsleigh copay respray anyway convey everyday interplay runaway underway vertebrae disobey sequelae waterway emigre francais matinee nebulae lingerie workaday cabriolet carriageway fibulae ricochet throwaway resurvey soubriquet stingray stowaway takeaway flyaway macrame overpay overplay roundelay sickbay caesurae outstay underpay uvulae copulae misplay penumbrae tearaway walkaway yesterday formulae naivete passageway protege microarray societe breakaway fistulae getaway maxillae scapulae sobriquet castaway giveaway hideaway salmonellae overstay foldaway tarantulae communique trabeculae straightaway caravanserais cybercafe companionway