breather vs breath

breather and breath both are nouns.

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

As nouns, breather and breath are synonyms defined as:

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

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