Here's what rhymes with efion.
vpon don non gone von con dawn lawn yon hon wan bon fawn han pawn schon spawn swan yawn bonne khan sawn sonne faun john gnawn upon drawn thereon salon yuan echelon exon fagon npon brawn chiffon prawn hereon baton foregone pantheon whereon operon redrawn begone chaperon forgone pecan tenon aileron epsilon predawn lasagne neocon methadon withdrawn thereupon whereupon lexicon hexagon marathon paragon hereupon overdrawn amazon autobahn carillon trimaran upsilon outdrawn undergone polygon denouement positron octagon pentagon antiphon mastodon tarragon woebegone leprechaun heptagon frogspawn phenomenon automaton rapprochement cordovan emoticon pantechnicon Words that almost rhyme with efion
iamb long wrong com song calm bomb palm mom bom homme throng vom balm gong nom rom som tom dom dong mam suam thong pom pong tong bong sarong along strong quam ftrong prom prong twang embalm qualm salaam belong lifelong aplomb singsong yearlong erelong mahjong firebomb becalm dingdong prolong intercom pogrom livelong consomme nightlong supermom cardamom born corn borne torn worn barn horn warn scorn sworn yarn morn mourn thorn shorn darn porn tarn lorn adorn forlorn reborn forborne unborn outworn forewarn unworn lowborn sweetcorn firstborn stillborn careworn forsworn lovelorn peppercorn timeworn foresworn unicorn waterborne