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forgone hereupon overdrawn amazon epsilon predawn tarragon autobahn neocon trimaran upsilon frogspawn outdrawn methadon withdrawn polygon pantheon positron hexagon pentagon antiphon woebegone leprechaun cordovan emoticon phenomenon automaton rapprochement mastodon heptagon pantechnicon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