breath vs air

breath and air both are nouns.

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

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

Other hypernyms of breath include breeze, gentle wind, zephyr.

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

breath: the air that is inhaled and exhaled in respiration
air: a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of

breath (noun)	air (noun)
the process of taking in and expelling air during breathing	travel via aircraft
an indirect suggestion	a distinctive but intangible quality surrounding a person or thing
a slight movement of the air	a succession of notes forming a distinctive sequence
the air that is inhaled and exhaled in respiration	medium for radio and television broadcasting
a short respite	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

breath (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