origin vs parentage

origin and parentage both are nouns.

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

As nouns, origin and parentage are synonyms defined as:

origin (noun)	parentage (noun)
properties attributable to your ancestry	the hereditary derivation of an individual
the point of intersection of coordinate axes; where the values of the coordinates are all zero	the kinship relation of an offspring to the parents
an event that is a beginning; a first part or stage of subsequent events	the state of being a parent
the hereditary derivation of an individual
the place where something begins, where it springs into being
the source of something's existence or from which it derives or is derived