Talk:Book 7: Flashback/@comment-37217783-20181021215654/@comment-36159073-20181022233522

In the category of law is the word "cognate" used to describe a blood relative. Otherwise, "cognate" means (adj; in the category of linguistics) 

having the same linguistic derivation as another; from the same original word or root 

or

(adj; formal)

related; connected