4 Syllables: SUUU
decorating, dissipating, generating, illustrating, imitating, integrating, irrigating, irritating, mitigating, moderating, operating, separating, tolerating
5 Syllables: USUUU
accelerating, ameliorating, anticipating, assimilating, collaborating, commemorating, cooperating, debilitating, degenerating, deliberating, deteriorating, discriminating, elaborating, eliminating, enumerating, evaporating, exaggerating, exasperating, exhilarating, facilitating, inaugurating, incorporating, invigorating, obliterating, originating, participating, precipitating, reciprocating, regenerating, reiterating
Found 43 words across 2 groupings.