"Disavower" is a word in ENGLISH

A refusal to acknowledge; disclaimer of connection with; disavowal; -- the contrary of confession; as, the denial of a fault …

To refuse to own or acknowledge as belonging to one's self; to disavow or deny, as connected with one's self …

To reject; cast ofT; re-pudiate; disclaim; forsake j abandon ; divest one's self of a right, power, or privilege. Usually …