air horn vs intake

air horn and intake both are nouns.

Word	Noun	Adjective	Verb	Adverb
air horn	Yes	No	No	No
intake	Yes	No	No	No

As nouns, intake is a hypernym of air horn; that is, intake is a word with a broader meaning than air horn:

Other hypernyms of air horn include inlet.

air horn (noun)	intake (noun)
air intake of a carburetor	the process of taking food into the body through the mouth (as by eating)
a pneumatic horn	the act of inhaling; the drawing in of air (or other gases) as in breathing
	an opening through which fluid is admitted to a tube or container