Or search: pall, tack, wrap, chute, enfold, enwrap, enclose, envelop, sailing, enshroud, cerement, navigation
2 Syllables: SU
clouded, crowded, doubted, mounted, ousted, outfit, routed, shouted, sprouted
3 Syllables: USU
amounted, undoubted

Found 11 words across 2 groupings. Skipped 1 excess word of a similar stem.