cognate (adjective): 

  1. related; connected; interconnected. "cognate subjects such as physics and chemistry"
     
  2. (of a word) having the same linguistic derivation as another (e.g. English father, German Vater, Latin pater ).
    "the term is obviously cognate with the Malay segan"
     
     
    (Similar: associated, related, connected, allied, interconnected, linked)
     
     
    Etymology: Latin cognatus "of common descent" (source also of Spanish cognado, Italian cognato),
    from:
    assimilated form of com "together"
    gnatus, past participle of gnasci, older form of nasci "to be born"
    (from PIE root *gene- "give birth, beget").