hostility vs suspicion

hostility and suspicion both are nouns.

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

As nouns, suspicion is a hyponym of hostility; that is, suspicion is a word with a more specific, narrower meaning than hostility:

Other hyponyms of hostility include latent hostility, tension, state of war, war, cold war.

hostility (noun)	suspicion (noun)
violent action that is hostile and usually unprovoked	being of a suspicious nature
a hostile (very unfriendly) disposition	doubt about someone's honesty
the feeling of a hostile person	an impression that something might be the case
a state of deep-seated ill-will	the state of being suspected