Consanguineal
Part of speech: adjective
Definition: Related by bloodline; consanguineous.
Cognate
Part of speech: adjective
Definition: Either descended from the same attested source lexeme of ancestor language, or held on the grounds of the methods of historical linguistics to be regular reflexes of the unattested, reconstructed form of proto-language.
Part of speech: noun
Definition: A word either descended from the same base word of the same ancestor language as the given word, or strongly believed to be a regular reflex of the same reconstructed root of proto-language as the given word.