sloth vs deadly sin

sloth and deadly sin both are nouns.

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

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

sloth: 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 sloth include mortal sin.

sloth (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
any of several slow-moving arboreal mammals of South America and Central America; they hang from branches back downward and feed on leaves and fruits
a disinclination to work or exert yourself