4 Syllables: SUUU
agitating, celebrating, decorating, deprecating, desolating, devastating, educating, elevating, emanating, emigrating, estimating, extricating, generating, hesitating, imitating, irritating, palpitating, penetrating, separating
5 Syllables: USUUU
accelerating, commemorating, debilitating, degenerating, disseminating, facilitating, investigating, perpetuating, precipitating, regenerating
Found 29 words across 2 groupings.