the three estates vs state

the three estates and state both are nouns.

Word	Noun	Adjective	Verb	Adverb
the three estates	Yes	No	No	No
state	Yes	No	Yes	No

the three estates (noun)	state (noun)
a major social class or order of persons regarded collectively as part of the body politic of the country (especially in the United Kingdom) and formerly possessing distinct political rights	the way something is with respect to its main attributes
	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)

the three estates (verb)	state (verb)
	express in words
	put before
	indicate through a symbol, formula, etc.