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