Agitprop: Political propaganda, especially favoring communism and disseminated through literature, drama, art, or music.
Apparatchik: A member of a Communist apparat (an organization or existing power structure, especially a political one). It is often used in a derogatory way to refer to an unquestioningly loyal subordinate, especially of a political leader or organization.
Bolshevik: Bolsheviks were members of the left-wing majority group of the Russian Social Democratic Workers' Party that adopted Lenin's theses on party organization in 1903. This word is also used to refer to communists, and in disparaging terms, to people who are extreme radicals.
Commissar: A person who tries to control public opinion
Dacha: A country house, as simple as that
Glasnost: The declared public policy within the Soviet Union of openly and frankly discussing economic and political realities: initiated under Mikhail Gorbachev in 1985.
Gulag: A place or situation of great suffering and hardship, likened to the atmosphere in a prison system or a forced labor camp.
Intelligentsia: Derived from the word intelligent, it is used to refer to 'The intellectual elite of a society.'
Mammoth: A prehistoric mammal, and, by extension, is a synonym for the word massive.
Pogrom: Any officially sanctioned attack on a particular group.
Samizdat: This word refers to the underground press and the literature produced by it.
Tzar/tsar/czar: An emperor or king/an autocratic ruler or leader/any person exercising great authority or power in a particular field: a czar of industry.
Troika: A team of three horses abreast/ Triumvirate.