Marginally rhymes with:
originally, regionally, additionally, conditionally, congressionally, constitutionally, conventionally, criminally, diagonally, educationally, exceptionally, fractionally, functionally, generationally, institutionally, intentionally, internationally, irrationally, medicinally, nationally, nominally, nutritionally, occasionally, operationally, originally, personally, phenomenally, professionally, proportionally, provisionally, rationally, regionally, rotationally, seasonally, terminally, traditionally, unconditionally, unconstitutionally, unintentionally