federalise, federalize.
decentralising.
advertising, appetizing, centralizing, compromising, crystallizing, demoralizing, desensitizing, downsizing, emphasizing, energizing, enterprising, enterprising, exercising, galvanizing, immobilizing, maximizing, merchandising, mesmerizing, moralizing, patronizing.
Your query has returned 1800 words, which include anagrams of decentralizing as well as other shorter words that can be made using the letters included in decentralizing.
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