blowhard vs bragger

blowhard and bragger both are nouns.

Word	Noun	Adjective	Verb	Adverb
blowhard	Yes	No	No	No
bragger	Yes	No	No	No

As nouns, blowhard and bragger are synonyms defined as:

Other synonyms of blowhard include boaster, braggart, line-shooter, vaunter.

blowhard (noun)	bragger (noun)
a very boastful and talkative person	a very boastful and talkative person