Rotationally rhymes with:
educationally, generationally, operationally, additionally, conditionally, congressionally, constitutionally, conventionally, educationally, exceptionally, fractionally, functionally, generationally, institutionally, intentionally, internationally, irrationally, nationally, nutritionally, operationally, professionally, proportionally, rationally, traditionally, unconditionally, unconstitutionally, unintentionally
Rotationally sounds like:
radmilla, rational, rationale, rationally, retinal, retinol, retinyl, rotational, routinely