Here's what rhymes with preform.
form farm reform harm forme perform warm alarm charm storm norm swarm dorm uniform inform conform transform forearm disarm deform firearm outperform rearm overarm rewarm chloroform lukewarm nonfarm underarm vermiform yardarm cuneiform fusiform cruciform multiform schoolmarm thunderstorm nonuniform misinform Words that almost rhyme with preform
horn psalm thorn shorn born corn borne torn worn barn warn scorn sworn yarn adorn morn mourn darn porn tarn lorn forlorn unborn reborn forborne lovelorn unworn lowborn outworn forewarn peppercorn timeworn firstborn stillborn unicorn waterborne careworn forsworn foresworn sweetcorn homme vom som com calm bomb palm mom bom balm nom rom tom dom mam suam pom iamb quam prom aplomb qualm salaam consomme pogrom embalm firebomb becalm intercom supermom cardamom