cognate >> /ˈkɑɡˌneɪt/
Definition: [noun] A cognate word.
Example: It's a very old word, with cognates in most Germanic languages.
Definition: [noun] A blood relative.
Example: All distinction between agnates and cognates in matters of succession had been abolished at the very time when the great collection of Roman law had been assembled and codified.
Definition: [adjective] (of a word) having the same linguistic derivation as another; from the same original word or root (e.g., English is, German ist, Latin est, from Indo-European esti)
Example: the term is obviously cognate with the Malay segan
Definition: [adjective] Related; connected.
Example: cognate subjects such as physics and chemistry