Or search: hairy, haired, woolly, hirsute
2 Syllables: SU
daybreak, gainsay, gateway, heyday, laissez, mainstay, Malay, melee, namesake, placate, playmate, railway, stalemate, straightway, vacate, waylaid

Found 16 words across 1 groupings. Skipped 3 excess words of a similar stem.