hot war vs war

hot war and war both are nouns.

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

As nouns, war is a hypernym of hot war; that is, war is a word with a broader meaning than hot war:

Other hypernyms of hot war include warfare.

hot war (noun)	war (noun)
actual fighting between the warring parties	the waging of armed conflict against an enemy
	a concerted campaign to end something that is injurious
	an active struggle between competing entities
	a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply

hot war (verb)	war (verb)
	make or wage war