Or search: couch, forge, devise, evince, evolve, invent, mature, redact, contrive, theorize, theorise, chemistry, redevelop, articulate, conjecture
3 Syllables: SUU
violating
4 Syllables: SUUU
calculating, circulating, correlating, desolating, emulating, insulating, isolating, ordinating, oscillating, regulating, simulating, speculating, stimulating, stipulating, undulating, vacillating
4 Syllables: USUU
annihilating
5 Syllables: USUUU
accumulating, articulating, assimilating, congratulating, coordinating, gesticulating, incorporating, manipulating, subordinating

Found 27 words across 4 groupings.