stunt pilot vs barnstormer

stunt pilot and barnstormer both are nouns.

Word	Noun	Adjective	Verb	Adverb
stunt pilot	Yes	No	No	No
barnstormer	Yes	No	No	No

As nouns, stunt pilot and barnstormer are synonyms defined as:

stunt pilot and barnstormer: a pilot who travels around the country giving exhibits of stunt flying and parachuting

Other synonyms of stunt pilot include stunt flier.

stunt pilot (noun)	barnstormer (noun)
a pilot who travels around the country giving exhibits of stunt flying and parachuting	a pilot who travels around the country giving exhibits of stunt flying and parachuting
	an actor who travels around the country presenting plays