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