Or search: ben, pot, wad, alp, heap, mess, mint, peck, pile, raft, slew, batch, flock, spate, stack
2 Syllables: SU
bounden, fountain, mountains, ploughman, Townsend, townsman, townsmen
3 Syllables: USU
accountant, endowment, pronouncement

Found 10 words across 2 groupings. Skipped 5 excess words of a similar stem.