acedia vs deadly sin

acedia and deadly sin both are nouns.

Word	Noun	Adjective	Verb	Adverb
acedia	Yes	No	No	No
deadly sin	Yes	No	No	No

As nouns, deadly sin is a hypernym of acedia; that is, deadly sin is a word with a broader meaning than acedia:

acedia: apathy and inactivity in the practice of virtue (personified as one of the deadly sins)
deadly sin: an unpardonable sin entailing a total loss of grace

Other hypernyms of acedia include mortal sin.

acedia (noun)	deadly sin (noun)
apathy and inactivity in the practice of virtue (personified as one of the deadly sins)	an unpardonable sin entailing a total loss of grace