9 letters · 10 points in Scrabble
originAllegedly coined by sexologist Richard von Krafft-Ebing who had already used cunnilingus in such a sense of denoting the practice instead of its actor and spread by the tenth edition of Psychopathia sexualis of 1898 (English edition page 185, German edition page 124, referencing a description of his in Centralblatt für die Krankheiten der Harn- und Sexual-Organe Vol. VI of 1895 pages 355–357).…
Etymology from Wiktionary, CC BY-SA 3.0