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