affliction vs hardship

affliction and hardship both are nouns.

Word	Noun	Adjective	Verb	Adverb
affliction	Yes	No	No	No
hardship	Yes	No	No	No

As nouns, hardship is a hypernym of affliction; that is, hardship is a word with a broader meaning than affliction:

Other hypernyms of affliction include adversity, hard knocks.

affliction (noun)	hardship (noun)
a cause of great suffering and distress	something hard to endure
a condition of suffering or distress due to ill health	something that causes or entails suffering
a state of great suffering and distress due to adversity	a state of misfortune or affliction