superbia vs deadly sin

superbia and deadly sin both are nouns.

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

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

superbia: unreasonable and inordinate self-esteem (personified as one of the deadly sins)
deadly sin: an unpardonable sin entailing a total loss of grace

Other hypernyms of superbia include mortal sin.

superbia (noun)	deadly sin (noun)
unreasonable and inordinate self-esteem (personified as one of the deadly sins)	an unpardonable sin entailing a total loss of grace