cognation vs consanguinity

cognation and consanguinity both are nouns.

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

As nouns, cognation and consanguinity are synonyms defined as:

cognation and consanguinity: (anthropology) the condition of being related by blood

Other synonyms of cognation include blood kinship.

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