air vs bring down

air is a noun but bring down is not a noun.

Word	Noun	Adjective	Verb	Adverb
air	Yes	No	Yes	No
bring down	No	No	Yes	No

air (noun)	bring down (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)	bring down (verb)
expose to cool or cold air so as to cool or freshen	cut down on; make a reduction in
expose to warm or heated air, so as to dry	impose something unpleasant
make public	cause to be enthusiastic
broadcast over the airwaves, as in radio or television	cause to come to the ground
be broadcast	move something or somebody to a lower position
expose to fresh air	cause the downfall of; of rulers