12 letters · 22 points in Scrabble
noun a compiler or writer of a dictionary; a student of the lexical component of language
originFrom Ancient Greek λεξικός (lexikós, “of words”), from λέξις (léxis, “a saying, speech, word”), from λέγειν (légein, “to speak”). By surface analysis, lexico- + -logist.
Etymology from Wiktionary, CC BY-SA 3.0