smoke vs breathe out

smoke is a noun but breathe out is not a noun.

Word	Noun	Adjective	Verb	Adverb
smoke	Yes	No	Yes	No
breathe out	No	No	Yes	No

smoke (noun)	breathe out (noun)
the act of smoking tobacco or other substances
(baseball) a pitch thrown with maximum velocity
tobacco leaves that have been made into a cylinder
street names for marijuana
something with no concrete substance
an indication of some hidden activity
a cloud of fine particles suspended in a gas
a hot vapor containing fine particles of carbon being produced by combustion

smoke (verb)	breathe out (verb)
inhale and exhale smoke from cigarettes, cigars, pipes	expel air
emit a cloud of fine particles