stunt flying vs aerobatics

stunt flying and aerobatics both are nouns.

Word	Noun	Adjective	Verb	Adverb
stunt flying	Yes	No	No	No
aerobatics	Yes	No	No	No

As nouns, stunt flying and aerobatics are synonyms defined as:

stunt flying and aerobatics: the performance of stunts while in flight in an aircraft

Other synonyms of stunt flying include acrobatics, stunting.

stunt flying (noun)	aerobatics (noun)
the performance of stunts while in flight in an aircraft	the performance of stunts while in flight in an aircraft