biological warfare defence vs BW defence

biological warfare defence and BW defence both are nouns.

Word	Noun	Adjective	Verb	Adverb
biological warfare defence	Yes	No	No	No
BW defence	Yes	No	No	No

As nouns, biological warfare defence and BW defence are synonyms defined as:

biological warfare defence and BW defence: defense against biological warfare

Other synonyms of biological warfare defence include biological warfare defense, BW defense.

biological warfare defence (noun)	BW defence (noun)
defense against biological warfare	defense against biological warfare