deadly sin vs laziness

deadly sin and laziness both are nouns.

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

As nouns, laziness is a hyponym of deadly sin; that is, laziness is a word with a more specific, narrower meaning than deadly sin:

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

deadly sin (noun)	laziness (noun)
an unpardonable sin entailing a total loss of grace	apathy and inactivity in the practice of virtue (personified as one of the deadly sins)
	relaxed and easy activity
	inactivity resulting from a dislike of work