2 Syllables: SU
budgets, burnished, churches, churlish, courage, curses, Curtis, druggist, earnest, Ernest, flourish, furnish, furtive, girlish, justice, luscious, merges, nourished, nurses, perches, public's, publish, punish, puppets, purges, purplish, purses, rubbish, rustics, scourges, searches, service, skirmish, sluggish, suffix, summits, surfaced, surges, Sussex, Turkish, uplift, urges, verses, worketh
3 Syllables: SUU
3 Syllables: USU
assertive, coercive, discourage, discursive, encourage, injustice, republics, republished, researches, reverses, subversive, unpublished, unpunished
Found 58 words across 3 groupings. Skipped 7 excess words of a similar stem.