exhalation vs breathing

exhalation and breathing both are nouns.

Word	Noun	Adjective	Verb	Adverb
exhalation	Yes	No	No	No
breathing	Yes	Yes	No	No

exhalation (noun)	breathing (noun)
the act of expelling air from the lungs	the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
exhaled breath

exhalation (adjective)	breathing (adjective)
	passing or able to pass air in and out of the lungs normally; sometimes used in combination