air vs pass over

air is a noun but pass over is not a noun.

Word	Noun	Adjective	Verb	Adverb
air	Yes	No	Yes	No
pass over	No	No	Yes	No

air (noun)	pass over (noun)
travel via aircraft
a distinctive but intangible quality surrounding a person or thing
a succession of notes forming a distinctive sequence
medium for radio and television broadcasting
the region above the ground
the mass of air surrounding the Earth
a slight wind (usually refreshing)
a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of
once thought to be one of four elements composing the universe (Empedocles), associated with the humour blood

air (verb)	pass over (verb)
expose to cool or cold air so as to cool or freshen	bypass
expose to warm or heated air, so as to dry	rub with a circular motion
make public	travel across or pass over
broadcast over the airwaves, as in radio or television	make a passage or journey from one place to another
be broadcast	fly over
expose to fresh air