cognate in WordNet English dictionary

1. related by blood
   akin  blood-related  cognate  consanguine  consanguineous  consanguineal  kin 
   
2. having the same ancestral language
   "cognate languages"
   cognate 
   
3. related in nature
   "connate qualities"
   connate  cognate 
   

1. one related by blood or origin; especially on sharing an ancestor with another
   blood relation  blood relative  cognate  sib 
   
2. a word is cognate with another if both derive from the same word in an ancestral language
   cognate  cognate word