Words That Rhyme With "Additionally" :
4 syllables:
fictionally, frictionally, nationally, rationally, trigonally, visionally
5 syllables:
antiphonally, conditionally, congressionally, discretionally, irrationally, nutritionally, obsessionally, polygonally, professionally, provisionally, rotationally, sensationally, traditionally, transitionally, transnationally, vocationally
6 syllables:
computationally, congregationally, constitutionally, conversationally, educationally, generationally, inspirationally, institutionally, internationally, irrotationally, operationally, unconditionally, unemotionally