affliction vs deformity

affliction and deformity both are nouns.

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

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

affliction: a condition of suffering or distress due to ill health
deformity: an affliction in which some part of the body is misshapen or malformed

Other hyponyms of affliction include malformation, misshapenness.

affliction (noun)	deformity (noun)
a cause of great suffering and distress	an appearance that has been spoiled or is misshapen
a condition of suffering or distress due to ill health	an affliction in which some part of the body is misshapen or malformed
a state of great suffering and distress due to adversity