ruin.
accommodating, activating, aggravating, agitating, alienating, alternating, annihilating, annotating, asphyxiating, assimilating, calculating, captivating, circulating, commemorating, communicating, contaminating, coordinating, debilitating, delegating, denigrating.
Your query has returned 618 words, which include anagrams of devastating as well as other shorter words that can be made using the letters included in devastating.
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