Here's what rhymes with columniform.
form farm harm forme perform reform warm alarm charm storm norm swarm dorm uniform inform conform forearm disarm deform firearm nonfarm preform rearm vermiform overarm transform cuneiform thunderstorm nonuniform multiform outperform underarm rewarm chloroform lukewarm schoolmarm yardarm misinform fusiform cruciform Words that almost rhyme with columniform
horn psalm thorn shorn born corn borne torn worn barn warn scorn sworn yarn adorn morn mourn darn porn tarn lorn forlorn unborn forborne unworn reborn outworn forewarn lovelorn lowborn firstborn stillborn unicorn waterborne careworn forsworn peppercorn timeworn 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 intercom pogrom embalm firebomb becalm supermom cardamom