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