flag-waver vs jingo

flag-waver and jingo both are nouns.

Word	Noun	Adjective	Verb	Adverb
flag-waver	Yes	No	No	No
jingo	Yes	No	No	No

As nouns, flag-waver and jingo are synonyms defined as:

Other synonyms of flag-waver include chauvinist, hundred-percenter, jingoist, patrioteer.

flag-waver (noun)	jingo (noun)
an extreme bellicose nationalist	an extreme bellicose nationalist