Or search: humus, paste, hummus, humous
2 Syllables: SU
borrows, Congo, console, crossroads, follows, hollows, Johnstone, Montrose, mottoes, Sancho, sorrows, stronghold, swallows, tanto
3 Syllables: USU
Alfonso, Alonzo, Fernando, Romano, soprano, tomatoes, tomorrow's, Toronto

Found 22 words across 2 groupings. Skipped 1 excess word of a similar stem.