gunnery vs implements of war

gunnery and implements of war both are nouns.

Word	Noun	Adjective	Verb	Adverb
gunnery	Yes	No	No	No
implements of war	Yes	No	No	No

As nouns, implements of war is a hypernym of gunnery; that is, implements of war is a word with a broader meaning than gunnery:

Other hypernyms of gunnery include arms, munition, weaponry, weapons system.

gunnery (noun)	implements of war (noun)
guns collectively	weapons considered collectively