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