2 Syllables: SU
bondage, broadest, bronzes, dauntless, Doris, Hollis, launches, longest, Maurice, omnis, ostrich, plaudits, polish, pontiff, profits, Psalmist, Romish, Scottish, sonnets, sophist, tallest, topics, tropics, Wallace, Wallis
3 Syllables: USU
abolish, accomplish, admonish, astonish, demolish, deposits, impoverish, narcotics, responses, responsive, unpolished
4 Syllables: UUSU
5 Syllables: UUUSU
Found 40 words across 4 groupings. Skipped 8 excess words of a similar stem.