3 syllables:
-otically, otically

4 syllables:
aquatically, chaotically, despotically, erotically, exotically, hieratically, hypnotically, mitotically, narcotically, neurotically, osmotically, psychotically, robotically

5 syllables:
abiotically, aeronautically, amitotically, astronautically, asymptotically, idiotically, patriotically, semiotically, symbiotically

6 syllables:
antibiotically, parabiotically, unpatriotically

3 syllables:
devisee, registry, entity, jestingly, levity, ethnically, dentistry, density, emily, lenity, effigy, helsinki, pleadingly, negligee, deviltry, legibly, self-pity, chemistry, selfishly, enmity, caustically, chronically, comically, dohickey, dominie, frolicky, hominy, jollity, logically, mockingly, modishly, mombin tree, palmistry, snobbishly, suavity, topically, toppingly

4 syllables:
integrity, aesthetically, technically, expensively, domestically, extensively, successively, ethically, coquettishly, yosemite, devilishly, selectively, aggressively, affectingly, refreshingly, indemnity, hygienically, objectively, professedly, identity, effectively, expressively, necessity, attentively, celebrity, offensively, complexity, collectedly, respectively, dementedly, genetically, distressingly, immensity, protectively, impressively, dejectedly, obscenity, subjectively, esthetically, defensively, intensity, propensity, excessively, progressively, collectively, deceptively, symmetrically, causality, exhaustively, illogically, ironically, laconically, lye hominy, methodically, pearl hominy, pomposity, rhapsodically, sardonically, symbolically

5 syllables:
infidelity, overwhelmingly, comprehensively, pathetically, apprehensively, unexpectedly, hypothetically, imperceptibly, academically, geometrically, condescendingly, ineffectively, economically, electronically, periodically, philosophically, psychologically, reciprocity, sinuosity, sumptuosity, technologically, tortuosity, virtuosity, vitriolically

6 syllables:
theoretically, sympathetically, argumentatively, ideologically, impetuosity