1 Syllable: S
bulb, bulge, bulk, cul, cull, cult, curl, dull, Earl, Earle, Earls, girl, gulf, gull, gulp, hulk, Hull, hurl, lull, Mull, null, pearl, pulp, pulse, skull, sul, swirl, whirl, will, world
2 Syllables: SU
actual, adults, agile, annals, annul, annulled, apple, axial, axle, babble, Babel, baffle, barrel, Basil, Basle, battle, camel, capsule, Carol, Carroll, Cassel, castle, cattle, cavil, channel, chapel, chattel, crackle, dazzle, facile, flannel, fragile, grapple, gravel, impulse, insult, jackal, mammal, natural, paddle, panel, Paschal, prattle, rabble, rascal, rattle, saddle, scaffold, shackled, shackles, tackle, tactful, tassel, trammels, travel, travelled, travels, vassal
2 Syllables: US
3 Syllables: USU
3 Syllables: UUS
4 Syllables: UUUS
Found 110 words across 6 groupings. Skipped 59 excess words of a similar stem.