hostility vs hatred

hostility and hatred both are nouns.

Word	Noun	Adjective	Verb	Adverb
hostility	Yes	No	No	No
hatred	Yes	No	No	No

As nouns, hatred is a hypernym of hostility; that is, hatred is a word with a broader meaning than hostility:

hostility: the feeling of a hostile person
hatred: the emotion of intense dislike; a feeling of dislike so strong that it demands action

Other hypernyms of hostility include hate.

hostility (noun)	hatred (noun)
violent action that is hostile and usually unprovoked	the emotion of intense dislike; a feeling of dislike so strong that it demands action
a hostile (very unfriendly) disposition
the feeling of a hostile person
a state of deep-seated ill-will