creed vs original sin

creed and original sin both are nouns.

Word	Noun	Adjective	Verb	Adverb
creed	Yes	No	No	No
original sin	Yes	No	No	No

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

creed: the written body of teachings of a religious group that are generally accepted by that group
original sin: a sin said to be inherited by all descendants of Adam

creed (noun)	original sin (noun)
any system of principles or beliefs	a sin said to be inherited by all descendants of Adam
the written body of teachings of a religious group that are generally accepted by that group