bacteriological warfare vs germ warfare

bacteriological warfare and germ warfare both are nouns.

Word	Noun	Adjective	Verb	Adverb
bacteriological warfare	Yes	No	No	No
germ warfare	Yes	No	No	No

As nouns, bacteriological warfare and germ warfare are synonyms defined as:

bacteriological warfare and germ warfare: the use of harmful bacteria as a weapon

bacteriological warfare (noun)	germ warfare (noun)
the use of harmful bacteria as a weapon	the use of harmful bacteria as a weapon