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