Hypernym is the opposite of hyponym, a word whose meaning is included by another. Thus, plant is hypernymic to flower, while tulip is hyponymic to flower.
See also synonym.
... Socialist Republics (USSR) Cheka (1917-1922) Gosudarstvennoye Politicseskoye Upravleniye[?] (GPU, 1922-1923) Obyedinennoye Gosudarstvennoye Politicheskoye Upravleniye[?] ...