1 Syllable: S
air, Ayres, Baird, bare, bear, Blair, burgh, Cairns, care, chair, cher, Clair, Claire, Clare, dare, ere, err, erst, Eyre, fair, faire, fairs, fared, fares, fer, flair, flare, furred, Ger, glare, guerre, hair, hare, heir, Herr, lair, lettre, mare, mer, pair, pare, pear, prayer, quern, rare, scarce, scare, share, snare, spare, square, stair, stare, swear, tare, tear, terre, their, there, there's, ware, wear, where, Where's, wort
2 Syllables: SU
2 Syllables: US
3 Syllables: UUS

Found 98 words across 4 groupings. Skipped 61 excess words of a similar stem.