2 Syllables: SU
Bridget, civic, digit, district, drifted, fitted, flitted, gifted, hinted, Ibid, knitted, lifted, liquid, listed, livid, mitted, mystic, mythic, physic, pillaged, pitted, printed, quitted, rhythmic, rigid, shifted, sifted, timid, twisted, visit, vivid, witted
3 Syllables: USU
acquitted, artistic, assisted, befitted, committed, consisted, desisted, elicit, emitted, enlisted, envisaged, imprinted, insisted, linguistic, omitted, Pacific, permitted, persisted, prolific, realistic, remitted, resisted, revisit, simplistic, solicit, specific, statistic, stylistic, subsisted, terrific, transmitted, unfitted
4 Syllables: UUSU
altruistic, atheistic, Calvinistic, communistic, fatalistic, hieroglyphic, humanistic, idealistic, journalistic, logarithmic, mechanistic, metaphysics, monolithic, nationalistic, naturalistic, optimistic, pessimistic, rationalistic, scientific, socialistic, unassisted, unrealistic
5 Syllables: UUUSU
6 Syllables: UUUUSU
7 Syllables: UUUUUSU
Found 95 words across 6 groupings. Skipped 11 excess words of a similar stem.