state vs Soviet Union

state and Soviet Union both are nouns.

Word	Noun	Adjective	Verb	Adverb
state	Yes	No	Yes	No
Soviet Union	Yes	No	No	No

state (noun)	Soviet Union (noun)
the way something is with respect to its main attributes	a former communist country in eastern Europe and northern Asia; established in 1922; included Russia and 14 other soviet socialist republics (Ukraine and Byelorussia and others); officially dissolved 31 December 1991
a politically organized body of people under a single government
the group of people comprising the government of a sovereign state
the territory occupied by a nation
the territory occupied by one of the constituent administrative districts of a nation
a state of depression or agitation
(chemistry) the three traditional states of matter are solids (fixed shape and volume) and liquids (fixed volume and shaped by the container) and gases (filling the container)

state (verb)	Soviet Union (verb)
express in words
put before
indicate through a symbol, formula, etc.