affliction vs martyrdom

affliction and martyrdom both are nouns.

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

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

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

affliction (noun)	martyrdom (noun)
a cause of great suffering and distress	death that is imposed because of the person's adherence of a religious faith or cause
a condition of suffering or distress due to ill health	any experience that causes intense suffering
a state of great suffering and distress due to adversity