Here's what rhymes with countervailingly.
unfailingly unavailingly Words that almost rhyme with countervailingly
amazingly pervasively scathingly ragingly basically persuasively evasively entertainingly rakishly gratingly jadedly meditatively devastatingly engagingly prosaically irritatingly abrasively aggravatingly nauseatingly piratically titillatingly creatively hesitatingly animatedly deprecatingly fascinatingly penetratingly imitatively accommodatingly complicatedly qualitatively authoritatively unhesitatingly algebraically appreciatively collaboratively exaggeratedly legislatively uncomplainingly exasperatingly calculatingly illuminatingly ingratiatingly intimidatingly lackadaisically invigoratingly excruciatingly humiliatingly infuriatingly exasperatedly manipulatively administratively