line-shooter vs vaunter

line-shooter and vaunter both are nouns.

Word	Noun	Adjective	Verb	Adverb
line-shooter	Yes	No	No	No
vaunter	Yes	No	No	No

As nouns, line-shooter and vaunter are synonyms defined as:

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

line-shooter (noun)	vaunter (noun)
a very boastful and talkative person	a very boastful and talkative person