Words That Rhyme With "Planiform" :
1 syllable:
corm, dorm, form, forme, norm, storm, swarm, warm
2 syllables:
aswarm, conform, deform, enorm, inform, lukewarm, perform, preform, reform, transform
3 syllables:
coniform, disinform, janiform, misinform, napiform, preinform, rachiform, reniform, scapiform, uniform