Dictionary is arranged alphabetically and covers approximately 20,000 words, including proper names, with all their known anagrams. The dictionary also includes

This compilation lists approximately 20,000 words, including proper names, in alphabetical order with all their known anagrams. A brief history of anagrams from

An anagram transposes the letters of a common word or phrase to form another word or phrase with some relevance to the original (e,g. Astronomer into Moon Stare