Meaning : One related by blood or origin. Especially on sharing an ancestor with another.
Synonyms : blood relation, blood relative, sib
Meaning : A word is cognate with another if both derive from the same word in an ancestral language.
Synonyms : cognate word
Meaning : Having the same ancestral language.
Example :
Cognate languages.
Meaning : Related by blood.
Synonyms : akin, blood-related, consanguine, consanguineal, consanguineous, kin