Or search: berth, billet, parish, tenure, diocese, bishopry, bishopric, incumbency, episcopacy, archdiocese, jurisdiction
3 Syllables: SUU
bishopric, disparate, hypocrite, Limerick, riveted
4 Syllables: USUU
archbishopric, invigorate, religionists, revisited
4 Syllables: UUSU
arithmetic
5 Syllables: UUSUU
illegitimate, inconsiderate

Found 12 words across 4 groupings. Skipped 2 excess words of a similar stem.