affliction vs unhealthiness

affliction and unhealthiness both are nouns.

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

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

affliction: a condition of suffering or distress due to ill health
unhealthiness: a state in which you are unable to function normally and without pain

Other hypernyms of affliction include health problem, ill health.

affliction (noun)	unhealthiness (noun)
a cause of great suffering and distress	a state in which you are unable to function normally and without pain
a condition of suffering or distress due to ill health
a state of great suffering and distress due to adversity