breath vs breather

breath and breather both are nouns.

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

As nouns, breath and breather are synonyms defined as:

Other synonyms of breath include breathing place, breathing space, breathing spell, breathing time.

breath (noun)	breather (noun)
the process of taking in and expelling air during breathing	air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
an indirect suggestion	a short respite
a slight movement of the air
the air that is inhaled and exhaled in respiration
a short respite