Here's what rhymes with sweetcorn.
corn born borne torn worn barn horn warn scorn yarn morn mourn thorn shorn darn porn tarn lorn sworn adorn outworn forlorn unborn reborn firstborn waterborne careworn forborne peppercorn timeworn unworn lowborn stillborn unicorn forewarn forsworn foresworn lovelorn Words that almost rhyme with sweetcorn
form farm warm charm harm norm forme dorm perform alarm storm psalm swarm disarm deform rearm reform inform conform forearm lukewarm firearm preform underarm overarm rewarm nonfarm outperform vermiform schoolmarm yardarm uniform transform chloroform thunderstorm fusiform cruciform multiform cuneiform misinform nonuniform gone con khan don non drawn von dawn lawn yon hon wan bon fawn han pawn schon yawn bonne sawn sonne vpon begone brawn pecan prawn faun john gnawn upon baton spawn swan yuan exon fagon operon redrawn tenon woebegone neocon undergone withdrawn thereon polygon salon foregone whereon npon octagon paragon chaperon chiffon forgone aileron hereon predawn tarragon autobahn heptagon lasagne outdrawn thereupon whereupon denouement pantheon echelon hexagon hereupon overdrawn pentagon amazon antiphon epsilon carillon trimaran upsilon emoticon lexicon automaton positron marathon mastodon leprechaun cordovan frogspawn methadon phenomenon rapprochement pantechnicon