2 Syllables: SU
cinder, dinner, drinker, finger, ginger, glimmer, hinder, injure, inner, insert, intern, inward, linear, linger, Minster, pincers, Pindar, prettier, printer, ringer, simpler, singer, sinner, Skinner, spinner, spinster, splinter, Springer, swimmer, Swinburne, thinker, thinner, timber, tincture, tinder, tinker, vineyard, Whittier, Windsor, windward, winner, winter
3 Syllables: SUU
3 Syllables: USU
anterior, beginner, exterior, inferior, interior, midwinter, nonlinear, superior, ulterior, unhindered, uninjured, Westminster
4 Syllables: USUU
Found 57 words across 4 groupings. Skipped 33 excess words of a similar stem.