1 Syllable: S
2 Syllables: SU
blooming, blueprint, booming, brewing, brooding, bruises, bruising, chewing, chooses, choosing, cooing, Coolidge, cooling, cruising, doeth, doing, drooping, Druids, duelling, Ewing, fluids, fooling, fuming, fuses, fusing, grouping, hewing, hooting, Judith, juices, looming, loosing, looting, loses, losing, moorings, moving, Muses, musing, oozing, plumage, pooling, proving, pruning, roofing, rooting, routing, ruin, ruling, schooling, screwing, sewage, shewing, shooting, smoothing, soothing, stooping, suing, suiting, tubing, tuning, usage, uses, using, viewing, whooping, wooing, wounding
3 Syllables: USU
abuses, abusing, abusive, accruing, accuses, accusing, alluding, amuses, amusing, approving, assuming, communing, computing, concluding, conclusive, conducive, confuses, confusing, construing, consuming, deduces, deducing, delusive, diffusing, diluting, disputing, eluding, elusive, excluding, exclusive, excuses, excusing, illumine, illusive, improving, imputing, including, inclusive, induces, inducing, infusing, intruding, intrusive, obtrusive, perusing, polluting, presuming, produces, producing, protruding, pursuing, rebuking, recruiting, reduces, reducing, refuses, refusing, refuting, removing, renewing, reproving, resuming, reviewing, saluting, seducing, subduing, undoing, uprooting
4 Syllables: UUSU
disapproving, inconclusive, introduces, introducing, reproduces, reproducing, unassuming, unobtrusive
Found 145 words across 4 groupings. Skipped 5 excess words of a similar stem.