Or search: concise, esoteric, sibylline, mysterious, mystifying, cabalistic, qabalistic, inscrutable, kabbalistic, inexplicable, incomprehensible
2 Syllables: SU
cricket, critic, fitted, flitted, gibbet, Ibid, knitted, liquid, mitted, picket, picnic, pitted, quitted, rickets, signet, thicket, ticket, witted
3 Syllables: USU
acquitted, addicted, afflicted, befitted, committed, conflicted, depicted, emitted, evicted, exhibit, inflicted, omitted, permitted, predicted, remitted, restricted, Semitic, transmitted, unfitted
4 Syllables: UUSU
analytic, catalytic, impolitic, paralytic, parasitic, unrestricted
5 Syllables: UUUSU
apocalyptic, electrolytic
6 Syllables: UUUUSU
psychoanalytic

Found 46 words across 5 groupings. Skipped 6 excess words of a similar stem.