peace vs war

peace and war both are nouns.

Word	Noun	Adjective	Verb	Adverb
peace	Yes	No	No	No
war	Yes	No	Yes	No

peace (noun)	war (noun)
a treaty to cease hostilities	the waging of armed conflict against an enemy
the absence of mental stress or anxiety	a concerted campaign to end something that is injurious
the state prevailing during the absence of war	an active struggle between competing entities
harmonious relations; freedom from disputes	a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply
the general security of public places

peace (verb)	war (verb)
	make or wage war