affliction vs curse

affliction and curse both are nouns.

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

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

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

affliction (noun)	curse (noun)
a cause of great suffering and distress	profane or obscene expression usually of surprise or anger
a condition of suffering or distress due to ill health	an appeal to some supernatural power to inflict evil on someone or some group
a state of great suffering and distress due to adversity	an evil spell
	a severe affliction
	something causing misery or death

affliction (verb)	curse (verb)
	utter obscenities or profanities
	wish harm upon; invoke evil upon
	heap obscenities upon
	exclude from a church or a religious community