9 letters · 14 points in Scrabble
noun a person secretly employed in espionage for a government
noun someone who can be employed as a detective to collect information
adjective being in force or having or exerting force
originFrom Middle English operative, operatyfe, from Middle French operatif (modern French opératif) or its etymon Latin operātīvus. By surface analysis, operate + -ive.
Etymology from Wiktionary, CC BY-SA 3.0