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anagrammer

British  
/ ˈænəˌɡræmə /

noun

  1. a person who enjoys solving anagrams

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Sometimes, of course, my opponent does receive “tells,” but is soon revealed to be horrible: “nice use of an anagrammer, u cheater,” my opponent sneers after I make a bingo.

From New York Times