breathing time vs breather

breathing time and breather both are nouns.

Word	Noun	Adjective	Verb	Adverb
breathing time	Yes	No	No	No
breather	Yes	No	No	No

As nouns, breathing time and breather are synonyms defined as:

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

breathing time (noun)	breather (noun)
a short respite	air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
	a short respite