breed line vs parentage

breed line and parentage both are nouns.

Word	Noun	Adjective	Verb	Adverb
breed line	Yes	No	No	No
parentage	Yes	No	No	No

As nouns, parentage is a hypernym of breed line; that is, parentage is a word with a broader meaning than breed line:

breed line: Breed line is offspring from the mating or breeding of individuals or organisms that are closely related genetically.
parentage: the hereditary derivation of an individual

breed line (noun)	parentage (noun)
Breed line is offspring from the mating or breeding of individuals or organisms that are closely related genetically.	the hereditary derivation of an individual
	the kinship relation of an offspring to the parents
	the state of being a parent