Or search: lop, discerp, disunite
2 Syllables: SU
3 Syllables: USU
4 Syllables: UUSU
altogether, howsoever, whatsoever, wheresoever, whomsoever, whosoever
5 Syllables: UUUSU
Nebuchadnezzar, whithersoever

Found 135 words across 4 groupings. Skipped 58 excess words of a similar stem.