2 Syllables: SU
blooming, blueprint, booming, booted, brewing, brooded, brooding, Brougham, bruising, chewing, choosing, cooing, cooling, cruising, Cuban, Cupid, doing, drooping, Druids, duelling, dukedom, Euclid, Ewing, fluent, fluid, fluted, fooling, Freudian, fuming, fusing, fusion, grouping, gruesome, hewing, hooted, hooting, Houston, human, humid, Julian, looming, loosen, loosing, looted, looting, losing, Lucan, Lucian, lucid, lumen, moorings, mooted, movement, moving, Museum, musing, muted, Neumann, Newman, Newton, Newton's, nuisance, oozing, pooling, proven, proving, prudence, prudent, pruning, putrid, Reuben, roofing, rooted, rooting, routed, routing, Rubens, ruin, ruling, schooling, screwing, shewing, shooting, smoothing, soothing, stooping, student, stupid, suing, suited, suiting, Susan, truant, Truman, tubing, tuning, union, unum, using, viewing, whooping, wooing, wounding
3 Syllables: USU
ablutions, abusing, accruing, accusing, acumen, albumen, albumin, alluded, alluding, allusion, amusement, amusing, approving, assuming, collusion, communing, communion, commuted, computed, computing, concluded, concluding, conclusion, confusing, confusion, confuted, construing, consuming, deducing, deluded, delusion, denuded, diffusing, diffusion, diluted, diluting, dilution, disputants, disputed, disputing, disunion, effusion, eluded, eluding, excluded, excluding, exclusion, excusing, Herculean, illumine, illusion, improvement, improving, imprudence, imprudent, imputed, imputing, included, including, inclusion, inducement, inducing, infusing, infusion, inhuman, intruded, intruding, intrusion, Methuen, obtruded, occlusion, perusing, Peruvian, polluted, polluting, pollution, precluded, presuming, producing, profusion, protruded, protruding, pursuance, pursuant, pursuing, rebuking, recruited, recruiting, recruitment, reducing, refusing, refuted, refuting, removing, renewing, reproving, reputed, resuming, reunion, reviewing, saluted, saluting, secluded, seclusion, seducing, solution, subduing, transfusion, translucent, undoing, unsuited, uprooted, uprooting
4 Syllables: UUSU
absolution, attribution, constitution, contribution, devolution, diminution, disapproving, disillusion, dissolution, distribution, elocution, evolution, execution, institution, introducing, involution, jurisprudence, persecution, prosecution, prostitution, reproducing, resolution, restitution, retribution, revolution, substitution, superhuman, unassuming, undiluted, undisputed
5 Syllables: UUUSU
Found 250 words across 4 groupings. Skipped 38 excess words of a similar stem.