apron vs airfield

apron and airfield both are nouns.

Word	Noun	Adjective	Verb	Adverb
apron	Yes	No	No	No
airfield	Yes	No	No	No

apron (noun)	airfield (noun)
a garment of cloth or leather or plastic that is tied about the waist and worn to protect your clothing	a place where planes take off and land
a paved surface where aircraft stand while not being used
the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain)
(golf) the part of the fairway leading onto the green