airfoil vs control surface

airfoil and control surface both are nouns.

Word	Noun	Adjective	Verb	Adverb
airfoil	Yes	No	No	No
control surface	Yes	No	No	No

As nouns, airfoil and control surface are synonyms defined as:

airfoil and control surface: a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight

Other synonyms of airfoil include aerofoil, surface.

airfoil (noun)	control surface (noun)
a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight	a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight