Or search: kbit, mbit, megabit
3 Syllables: SUU
bishopric, disparate, hypocrite, Limerick
4 Syllables: USUU
archbishopric, episcopate, invigorate, religionists
5 Syllables: UUSUU
illegitimate, inconsiderate

Found 10 words across 3 groupings. Skipped 2 excess words of a similar stem.