airbrake vs dive brake

airbrake and dive brake both are nouns.

Word	Noun	Adjective	Verb	Adverb
airbrake	Yes	No	No	No
dive brake	Yes	No	No	No

As nouns, airbrake and dive brake are synonyms defined as:

airbrake and dive brake: a small parachute or articulated flap to reduce the speed of an aircraft

airbrake (noun)	dive brake (noun)
a vehicular brake that operates by compressed air; especially for heavy vehicles	a small parachute or articulated flap to reduce the speed of an aircraft
a small parachute or articulated flap to reduce the speed of an aircraft