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, reiterating
Found 44 words across 2 groupings.