4 Syllables: SUUU
decorating, dissipating, generating, illustrating, imitating, integrating, irrigating, irritating, liberating, 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
Found 43 words across 2 groupings.