agitation vs mental state

agitation and mental state both are nouns.

Word	Noun	Adjective	Verb	Adverb
agitation	Yes	No	No	No
mental state	Yes	No	No	No

As nouns, mental state is a hypernym of agitation; that is, mental state is a word with a broader meaning than agitation:

agitation: a mental state of extreme emotional disturbance
mental state: (psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic

Other hypernyms of agitation include mental condition, psychological condition, psychological state.

agitation (noun)	mental state (noun)
disturbance usually in protest	(psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic
the act of agitating something; causing it to move around (usually vigorously)
the feeling of being agitated; not calm
a state of agitation or turbulent change or development
a mental state of extreme emotional disturbance