Related by context. Frequent words. (Click for all words.) 67 KGB agent 67 KGB 61 Soviet KGB 55 Shcherbakov 55 spymaster 54 ex KGB 53 Nazi collaborator 52 Tretyakov 52 Sergei Skripal 52 former KGB spy 52 NKVD 52 Lugovoy 52 StB 52 Soviet 52 Gordievsky 51 Mossad agent 51 spies 51 Stasi 50 spymasters 50 KGB successor 50 Alexander Litvinenko 50 Securitate 50 spy 50 Mitrokhin 50 Mossad 50 Goncharov 49 Stasi secret 49 Stalin 49 Litvinenko 49 tycoon Boris Berezovsky 49 Andrei Lugovoy 49 Russian emigre 49 Mossad spy agency 49 MI6 48 Soviet dissident 48 Nazi SS 48 Komsomol 48 Nekrasov 48 informer 47 agent Alexander Litvinenko 47 Chechen separatist 47 Litvinenko poisoning 47 Soviet Union 47 Marina Litvinenko 47 Saipov 47 Vasenkov 47 Nazi 47 Berezovsky 47 Pukach 47 spy Alexander Litvinenko 46 Andropov 46 MI6 spy 46 dictator Josef Stalin 46 oligarch 46 Czarist 46 Ushakov 46 Mogilevich 46 Trepashkin 46 Gestapo 46 Lugovoi 46 Grigori 46 Kovalyov 45 Russian 45 Soviet republic 45 Solzhenitsyn 45 President Ion Iliescu 45 Simonov 45 Surkov 45 Yeltsin 45 Bolshevik 45 informers 45 soviet 45 Soviet Bloc 45 Semyon 45 Boris Pasternak 45 Nazis 45 Boris Berezovsky 44 Boris Yeltsin 44 Slavkov 44 Patrushev 44 Pichugin 44 Ichkeria 44 Israel Mossad spy 44 Tsarist 44 Josef Stalin 44 Kabanov 44 Alexander Solzhenitsyn 44 mafia bosses 44 Chechen warlord 44 tsarist 44 samizdat 44 USSR 44 Makhmudov 44 Dmitry Kovtun 44 Kundera 44 Beria 44 Petrograd 44 Primakov 44 Stalinist 44 Robert Hanssen 44 Patarkatsishvili