N vs air

N and air both are nouns.

Word	Noun	Adjective	Verb	Adverb
N	Yes	No	No	No
air	Yes	No	Yes	No

N (noun)	air (noun)
the 14th letter of the Roman alphabet	travel via aircraft
(of a solution) concentration expressed in gram equivalents of solute per liter	a distinctive but intangible quality surrounding a person or thing
a unit of force equal to the force that imparts an acceleration of 1 m/sec/sec to a mass of 1 kilogram; equal to 100,000 dynes	a succession of notes forming a distinctive sequence
the cardinal compass point that is at 0 or 360 degrees	medium for radio and television broadcasting
a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues	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

N (verb)	air (verb)
	expose to cool or cold air so as to cool or freshen
	expose to warm or heated air, so as to dry
	make public
	broadcast over the airwaves, as in radio or television
	be broadcast
	expose to fresh air