nerves vs psychological state

nerves and psychological state both are nouns.

Word	Noun	Adjective	Verb	Adverb
nerves	Yes	No	No	No
psychological state	Yes	No	No	No

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

nerves: an uneasy psychological state
psychological 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 nerves include mental condition, mental state, psychological condition.

nerves (noun)	psychological state (noun)
control of your emotions	(psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic
an uneasy psychological state