Synonyms for Chauvinism:

n.

egotism, snobbery, aggression, condescension, patriotism, self-importance, arrogance, conceit, pride, vanity, superiority, narcissism. intolerance, prejudice. attribute (noun)
superpatriotism, jingoism, ultranationalism.
chauvinism (noun)
jingoism, superpatriotism, ultranationalism, male chauvinism, antifeminism.
extreme devotion to a belief or nation (noun)
jingoism.

Other synonyms:

intolerance. bias
prejudice.
Other relevant words:
pride, self-importance, conceit, narcissism, superiority, arrogance, vanity, prejudice, aggression, intolerance, egotism, condescension, snobbery, patriotism.