IPA: //kɒɡˈneɪʃən//
KK: /kɒgˈneɪʃən/
A relationship or connection between people who are related by blood or share a common ancestry.
The cognation between the two families was evident during the reunion.
Cognation → It is formed from "cognatus" (meaning related by birth) and the suffix "-ion" (indicating the action or condition). The word "cognation" refers to the state of being related by blood or descent.
Think of 'cognatus' meaning related by birth, which helps you remember that 'cognation' refers to the condition of being related.