Here's what rhymes with plainnesse.
manus Words that almost rhyme with plainnesse
danish tatamis womanish avis brainless plaintiffs vagueness oasis wadis basics bracelets rapists racists dateless playlists remix caitiffs matrix mutatis papists stateless cretaceous bassists mosaics spaceships quadratics facelifts lifebelts archaists affidavits lectureships escapists