2 Syllables: SU
beaufort, blower, bolder, bolster, boulder, broker, chauffeur, closer, closure, clover, colder, covert, donor, dover, folder, goldberg, grocer, grosser, grosvenor, grover, grower, holborn, holder, holier, homer, homer's, homeward, homework, horror, lower, moder, molar, motor, nobler, notre, ochre, oder, odors, odour, older, over, overt, owner, poker, polar, poster, roller, rover, rowers, shoulder, slower, smoker, sober, sojourn, solar, soldier, sower, voter
3 Syllables: SUU
3 Syllables: USU
beholder, composer, composure, controller, disclosure, enclosure, explorer, exposure, inclosure, misnomer, moreover, october, promoter, remoter, restorer
4 Syllables: UUSU
Found 75 words across 4 groupings. Skipped 32 excess words of a similar stem.