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