3 Syllables: SUU
chronically, clinically, critically, cynically, magically, medically, mimicry, physically, principally, technically, Trinity, typically
4 Syllables: SUUU
ethically, intimately, practically
4 Syllables: USUU
affinity, convincingly, distinctively, dramatically, electrically, empirically, hermetically, historically, infinity, instinctively, majestically, methodically, pathetically, romantically, statistically, sublimity, symbolically, uncritically, vicinity, virginity
5 Syllables: USUUU
emphatically, politically
5 Syllables: UUSUU
anonymity, consanguinity, diametrically, equanimity, geographically, magnanimity, mathematically, parenthetically, periodically, philosophically, scientifically, sympathetically, technologically, theoretically, unanimity

Found 52 words across 5 groupings.