Related by context. Frequent words. (Click for all words.) 43 KGB 39 KGB agent 38 spymaster 38 NKVD 38 Soviet KGB 36 ex KGB 35 Leonid Brezhnev 35 MI6 35 Boris Yeltsin 35 Bolshevik 35 Bolsheviks 34 Brezhnev 34 Pravda 34 Tretyakov 34 soviet 34 Securitate 34 USSR 33 Polonium 33 Lenin 33 Stalinist 33 MI5 33 Boris Berezovsky 33 Anatoly 33 radioactive polonium 32 Alexander Litvinenko 32 Lugovoy 32 agent Alexander Litvinenko 32 Pyotr 32 Soviet 32 polonium 32 Trotsky 32 Khrushchev 32 Alexander Solzhenitsyn 32 Sergei 32 Litvinenko 32 former KGB spy 32 Soviet Union 32 Kovtun 31 Alexander Lebedev 31 Stalin 31 Solzhenitsyn 31 Czechoslovak 31 Alger Hiss 30 Vladimir 30 Gestapo 30 Russian 30 spy Alexander Litvinenko 30 thallium 30 Grigory 29 Joseph Stalin 29 Komsomolskaya Pravda 29 Josef Stalin 29 Oleg 29 Vasily 29 Alexei 28 FSB 28 Nikolay 28 Leonid Kuchma 28 Vladimir Putin 28 Soviet Bloc 28 Mukhabarat 28 Yeltsin 28 Kremlin critic 28 Scaramella 28 Valeriy 27 Rybkin 27 Akaev 27 Stasi 27 Hitler 27 Gorbachev 27 Joseph Goebbels 27 radioactive substance 27 Communist 27 Aleksey 27 Secret Intelligence 27 Gennady 27 Bolshevik Party 27 Chubais 27 Politkovskaya 27 radiation poisoning 26 radioactive isotope 26 Yevgeny 26 apparatchiks 26 spies 26 spy 26 Wehrmacht 26 Poroshenko 26 doddering 26 Lugovoi 25 Berezovsky 25 Andrei Lugovoi 25 Soviet era 25 Iron Curtain 25 Zubkov 25 radioactive isotopes 25 Communists 25 Grosvenor Square 25 radioactive 25 LDPR 25 Gongadze 25 Bolshevik Revolution