ire vs deadly sin

ire and deadly sin both are nouns.

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

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

ire: belligerence aroused by a real or supposed wrong (personified as one of the deadly sins)
deadly sin: an unpardonable sin entailing a total loss of grace

Other hypernyms of ire include mortal sin.

ire (noun)	deadly sin (noun)
belligerence aroused by a real or supposed wrong (personified as one of the deadly sins)	an unpardonable sin entailing a total loss of grace
a strong emotion; a feeling that is oriented toward some real or supposed grievance