2 Syllables: SU
bluster, brother, buffer, cluster, courier, cover, culture, custard, Cuthbert, earlier, Glover, govern, hover, Hussars, juster, lover, luster, lustre, mother, mustard, muster, other, rather, rougher, sculptor, sculpture, smother, southern, suffer, sulfur, sulphur, tougher, ulcer, Ulster, usher, vulgar, vulture
3 Syllables: USU
4 Syllables: UUSU
Found 44 words across 3 groupings. Skipped 35 excess words of a similar stem.