agnation vs patrilineage

agnation and patrilineage both are nouns.

Word	Noun	Adjective	Verb	Adverb
agnation	Yes	No	No	No
patrilineage	Yes	No	No	No

As nouns, agnation and patrilineage are synonyms defined as:

agnation and patrilineage: line of descent traced through the paternal side of the family

agnation (noun)	patrilineage (noun)
line of descent traced through the paternal side of the family	line of descent traced through the paternal side of the family