germ warfare vs biologic attack

germ warfare and biologic attack both are nouns.

Word	Noun	Adjective	Verb	Adverb
germ warfare	Yes	No	No	No
biologic attack	Yes	No	No	No

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

germ warfare: the use of harmful bacteria as a weapon
biologic attack: the use of bacteria or viruses or toxins to destroy men and animals or food

Other hypernyms of germ warfare include bioattack, biological attack, biological warfare, BW.

germ warfare (noun)	biologic attack (noun)
the use of harmful bacteria as a weapon	the use of bacteria or viruses or toxins to destroy men and animals or food