IW vs warfare

IW and warfare both are nouns.

Word	Noun	Adjective	Verb	Adverb
IW	Yes	No	No	No
warfare	Yes	No	No	No

As nouns, warfare is a hypernym of IW; that is, warfare is a word with a broader meaning than IW:

IW: the use of information or information technology during a time of crisis or conflict to achieve or promote specific objectives over a specific adversary or adversaries
warfare: the waging of armed conflict against an enemy

Other hypernyms of IW include war.

IW (noun)	warfare (noun)
the use of information or information technology during a time of crisis or conflict to achieve or promote specific objectives over a specific adversary or adversaries	the waging of armed conflict against an enemy
	an active struggle between competing entities