Here's what rhymes with cavilous.
Words that almost rhyme with cavilous
malleolus canniness happiness gaseous habeas patchiness tackiness bagginess chattiness shagginess cragginess fattiness faddiness nattiness sappiness ambience ambiance dalliance nastiness craftiness scantiness ghastliness palliates valiance glassiness scratchiness classiness snappiness pancreas bassinets brassiness draftiness transience pantheists retaliates bathyscaphs transients instantaneous