Historically rhymes with:
diametrically, electrically, empirically, metrically, theatrically, chronically, clinically, comically, critically, cynically, diametrically, electrically, electronically, empirically, ethically, fanatically, geographically, hermetically, intrinsically, journalistically, magically, magnetically, majestically, mathematically, methodically, metrically, mineralogically, optimistically, parenthetically, pathetically, periodically, philosophically, physically, politically, pragmatically, ritualistically, romantically, sardonically, scientifically, skeptically, statistically, surgically, symbolically, sympathetically, tactically, technically, technologically, theatrically, theoretically, therapeutically, uncritically
Historically sounds like:
historical, hysterical, hysterically