2 Syllables: SU
blooming, blueprint, booming, brewing, brooding, bruising, chewing, choosing, cooing, cooling, cruising, doing, drooping, duelling, Ewing, fooling, fuming, fusing, grouping, hewing, hooting, looming, loosing, looting, losing, moorings, moving, musing, oozing, pooling, proving, pruning, roofing, rooting, routing, ruin, ruling, schooling, screwing, shewing, shooting, smoothing, soothing, stooping, suing, suiting, tubing, tuning, using, viewing, whooping, wooing, wounding
3 Syllables: USU
abusing, accruing, accusing, alluding, amusing, approving, assuming, communing, computing, concluding, confusing, construing, consuming, deducing, diffusing, diluting, disputing, eluding, excluding, excusing, illumine, improving, imputing, including, inducing, infusing, intruding, perusing, polluting, presuming, producing, protruding, pursuing, rebuking, recruiting, reducing, refusing, refuting, removing, renewing, reproving, resuming, reviewing, saluting, seducing, subduing, undoing, uprooting
4 Syllables: UUSU
Found 105 words across 3 groupings. Skipped 6 excess words of a similar stem.