ANAGRAMMATIZE
anagram, anagrammatize, anagrammatise
(verb) read letters out of order to discover a hidden meaning
Source: WordNet® 3.1
Verb
anagrammatize (third-person singular simple present anagrammatizes, present participle anagrammatizing, simple past and past participle anagrammatized)
Alternative spelling of anagrammatise
Source: Wiktionary
An`a*gram"ma*tize, v. t. Etym: [Gr. anagrammatiser.]
Definition: To transpose, as the letters of a word, so as to form an
anagram. Cudworth.
Source: Webster’s Unabridged Dictionary 1913 Edition