belligerency vs enmity

belligerency and enmity both are nouns.

Word	Noun	Adjective	Verb	Adverb
belligerency	Yes	No	No	No
enmity	Yes	No	No	No

As nouns, enmity is a hypernym of belligerency; that is, enmity is a word with a broader meaning than belligerency:

Other hypernyms of belligerency include hostility, ill will.

belligerency (noun)	enmity (noun)
fighting; acts of overt warfare	the feeling of a hostile person
hostile or warlike attitude or nature	a state of deep-seated ill-will