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