affliction vs bane

affliction and bane both are nouns.

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

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

Other hyponyms of affliction include calvary, martyrdom, trial, tribulation, visitation, curse, torment, attack, curse, nemesis, scourge.

affliction (noun)	bane (noun)
a cause of great suffering and distress	something causing misery or death
a condition of suffering or distress due to ill health
a state of great suffering and distress due to adversity