2 Syllables: SU
blister, blizzard, cistern, cither, Clifford, differ, Fischer, Fisher, fissure, Gifford, giver, hither, listener, Lister, liver, livres, lizard, Mister, pitcher, prisoner, Pritchard, quiver, Richard, richer, river, scissors, shiver, sister, swifter, thither, whiskers, whisper, whither, wishers, wither, wizard
3 Syllables: USU
Found 37 words across 2 groupings. Skipped 31 excess words of a similar stem.