3 Syllables: SUU
charity, chemically, chemistry, chronically, clarity, clinically, critically, cynically, effigy, Emily, lenity, levity, magically, medically, physically, rarity, registry, technically, typically, verity, wretchedly
4 Syllables: SUUU
charitably, delicacy, equitably, ethically, practically
4 Syllables: USUU
aesthetically, aggressively, asperity, austerity, celebrity, confessedly, dexterity, dramatically, electrically, empirically, excessively, genetically, hermetically, historically, hysterically, impressively, intrinsically, methodically, necessities, necessity, numerically, obscenity, pathetically, poetically, progressively, romantically, severity, statistically, successively, summarily, symbolically, symmetrically, uncritically, vulgarity
5 Syllables: USUUU
emphatically, intrepidity, politically
5 Syllables: UUSUU
alphabetically, biochemistry, diametrically, energetically, geographically, geometrically, infidelity, insincerity, mathematically, parenthetically, periodically, philosophically, scientifically, sympathetically, technologically, theoretically
6 Syllables: UUUSUU
apologetically, unpopularity

Found 81 words across 6 groupings.