Or search: friar, mooch, beggar, pauper, cadger, lazarus, sanyasi, pleading, sannyasi, carmelite, dominican, imploring, beggarman, sannyasin, scrounger
2 Syllables: SU
temperance
3 Syllables: SUU
Benjamin, emigrant, endurance, gentleman, gentleman's, Henderson, Pendleton, pendulum, sentiment, temperament, venturesome
4 Syllables: USUU
dismemberment, intemperance, presentiment

Found 15 words across 3 groupings. Skipped 3 excess words of a similar stem.