spoiler vs airfoil

spoiler and airfoil both are nouns.

Word	Noun	Adjective	Verb	Adverb
spoiler	Yes	No	No	No
airfoil	Yes	No	No	No

As nouns, airfoil is a hypernym of spoiler; that is, airfoil is a word with a broader meaning than spoiler:

spoiler: a hinged airfoil on the upper surface of an aircraft wing that is raised to reduce lift and increase drag
airfoil: a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight

Other hypernyms of spoiler include aerofoil, control surface, surface.

As nouns, airfoil is a hypernym of spoiler; that is, airfoil is a word with a broader meaning than spoiler:

spoiler: an airfoil mounted on the rear of a car to reduce lift at high speeds
airfoil: a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight

Other hypernyms of spoiler include aerofoil, control surface, surface.

spoiler (noun)	airfoil (noun)
a hinged airfoil on the upper surface of an aircraft wing that is raised to reduce lift and increase drag	a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight
an airfoil mounted on the rear of a car to reduce lift at high speeds
someone who takes spoils or plunder (as in war)
a candidate with no chance of winning but who may draw enough votes to prevent one of the leading candidates from winning
someone who pampers or spoils by excessive indulgence