Cognate /(?)/

Cog·nate

Cognate

a.
  1. Allied by blood; kindred by birth; specifically (Law), related on the mother's side. (Law)
  2. Of the same or a similar nature; of the same family; proceeding from the same stock or root; allied; kindred; as, a cognate language.

Cognate

n.
  1. One who is related to another on the female side. (Law)
  2. One of a number of things allied in origin or nature; as, certain letters are cognates.