2 Syllables: SU
Brougham, Cuban, dukedom, fluent, fluid, Freudian, fusion, gruesome, Houston, human, humid, Julian, loosen, looted, Lucan, Lucian, lumen, movement, Museum, Neumann, Newman, Newton, Newton's, nuisance, proven, prudence, prudent, Reuben, rooted, Rubens, ruin, student, stupid, suited, Susan, truant, Truman, union, unum
3 Syllables: USU
ablutions, acumen, albumen, albumin, alluded, allusion, amusement, collusion, communion, computed, concluded, conclusion, confusion, delusion, diffusion, diluted, dilution, disputants, disputed, disunion, effusion, excluded, exclusion, Herculean, illumined, illusion, improvement, imprudence, imprudent, included, inclusion, inducement, infusion, inhuman, intruded, intrusion, Methuen, obtruded, occlusion, Peruvian, polluted, pollution, profusion, protruded, pursuance, pursuant, recruitment, reputed, reunion, saluted, seclusion, solution, transfusion, translucent
4 Syllables: UUSU
absolution, attribution, constitution, contribution, devolution, diminution, disillusion, dissolution, distribution, elocution, evolution, execution, institution, involution, jurisprudence, persecution, prosecution, prostitution, resolution, restitution, retribution, revolution, substitution, superhuman
5 Syllables: UUUSU
Found 121 words across 4 groupings. Skipped 34 excess words of a similar stem.