Chauvinism
/ˈʃəʊ.və.nɪ.zəm/
noun
Excessive patriotism, eagerness for national superiority; jingoism.
Unwarranted bias, favoritism, or devotion to one's own particular group, cause, or idea.
“Feminists say that male chauvinism is still prevalent in cultures worldwide.”
Synonyms: jingoism