2 Syllables: SU
bluster, brother, buffer, cluster, cover, custard, Cuthbert, Glover, govern, hover, Hussars, juster, lovelier, lover, luster, lustre, mother, mustard, muster, other, rather, rougher, smother, southern, suffer, tougher, usher
3 Syllables: USU
4 Syllables: UUSU
Found 34 words across 3 groupings. Skipped 27 excess words of a similar stem.