parentage vs kinship

parentage and kinship both are nouns.

Word	Noun	Adjective	Verb	Adverb
parentage	Yes	No	No	No
kinship	Yes	No	No	No

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

parentage: the kinship relation of an offspring to the parents
kinship: (anthropology) relatedness or connection by blood or marriage or adoption

Other hypernyms of parentage include family relationship, relationship.

parentage (noun)	kinship (noun)
the hereditary derivation of an individual	(anthropology) relatedness or connection by blood or marriage or adoption
the kinship relation of an offspring to the parents	a close connection marked by community of interests or similarity in nature or character
the state of being a parent