nerves vs possession

nerves and possession both are nouns.

Word	Noun	Adjective	Verb	Adverb
nerves	Yes	No	No	No
possession	Yes	No	No	No

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

Other hypernyms of nerves include self-command, self-control, self-possession, self-will, will power, willpower.

nerves (noun)	possession (noun)
control of your emotions	anything owned or possessed
an uneasy psychological state	the act of having and controlling property
	(sport) the act of controlling the ball (or puck)
	the trait of resolutely controlling your own behavior
	a territory that is controlled by a ruling state
	a mania restricted to one thing or idea
	being controlled by passion or the supernatural