Related by context. Frequent words. (Click for all words.) 51 KGB 49 MI6 48 NKVD 46 SPECTRE 45 covert ops 45 spies 44 spy 44 spymaster 43 Volkoff 43 Counter Intelligence 43 Soviet KGB 42 CIA 42 Stasi 41 MI5 41 Mossad 41 Gestapo 41 Himmler 41 Comintern 41 StB 41 Mossad agent 41 spymasters 40 Czarist 40 Bolshevik 40 Mata Hari 40 shadowy 39 Tsarist 39 Lubyanka 39 Mukhabarat 39 Espionage 39 Heinrich Himmler 39 Fifth Column 39 Philby 39 Bolsheviks 38 Beria 38 Nazi 38 Securitate 38 cia 38 Spy 38 Secret Agent 38 Mitrokhin 38 Soviet 38 FBI counterintelligence 38 assassin 38 sinister 38 Nazi SS 38 tsarist 38 Stasi secret 37 Wesker 37 Ichkeria 37 Belsen 37 Robert Hanssen 37 counterintelligence 37 Andropov 37 SHIELD 37 Tretyakov 37 codename 37 Petrograd 37 SISMI 36 ex KGB 36 clandestine 36 covert 36 mercenary 36 KNB 36 assassins 36 spooks 36 Hanssen 36 deniable 36 counterespionage 36 Gongadze 36 Blofeld 36 SO# 36 Nazi collaborator 36 DGSE 36 Secret Intelligence 36 intel 36 informer 35 Nazi sympathizer 35 Al Quaeda 35 Cheka 35 Aldrich Ames 35 assassinate Hitler 35 Wiesler 35 espionage 35 interrogates 35 Soviets 35 undercover operative 35 Secret 35 Nazis 35 Le Carre 35 Military Intelligence 35 HUMINT 35 Mughniyah 35 mafioso 35 Litvinenko 35 Wehrmacht 35 Peeping 35 Third Reich 34 mafia 34 Scappaticci 34 underworld 34 FSB