BW vs war

BW and war both are nouns.

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

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

Other hypernyms of BW include warfare.

BW (noun)	war (noun)
the use of bacteria or viruses or toxins to destroy men and animals or food	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

BW (verb)	war (verb)
	make or wage war