warfare vs IW

warfare and IW both are nouns.

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

As nouns, IW is a hyponym of warfare; that is, IW is a word with a more specific, narrower meaning than warfare:

warfare: the waging of armed conflict against an enemy
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 (noun)	IW (noun)
the waging of armed conflict against an enemy	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
an active struggle between competing entities