wind sock vs air sock

wind sock and air sock both are nouns.

Word	Noun	Adjective	Verb	Adverb
wind sock	Yes	No	No	No
air sock	Yes	No	No	No

As nouns, wind sock and air sock are synonyms defined as:

wind sock and air sock: a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind

Other synonyms of wind sock include air-sleeve, drogue, sock, wind cone, wind sleeve, windsock.

wind sock (noun)	air sock (noun)
a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind	a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind