Words That Rhyme With "Plenum's" :
2 syllables:
Benson's, Hemans, Kenyans, mentions, penance, pensions, phenom, tendons, tensions, Trenton's, venom, Yemen's
3 syllables:
abstentions, antennas, attentions, contentions, conventions, detentions, dimensions, envenom, extensions, houyhnhnms, intentions, inventions, pretensions, sienna's, suspensions, Vienna's