cognation vs matrilineage

cognation and matrilineage both are nouns.

Word	Noun	Adjective	Verb	Adverb
cognation	Yes	No	No	No
matrilineage	Yes	No	No	No

As nouns, cognation and matrilineage are synonyms defined as:

cognation and matrilineage: line of descent traced through the maternal side of the family

Other synonyms of cognation include enation.

cognation (noun)	matrilineage (noun)
(anthropology) the condition of being related by blood	line of descent traced through the maternal side of the family
line of descent traced through the maternal side of the family