breath vs breathing time

breath and breathing time both are nouns.

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

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

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

breath (noun)	breathing time (noun)
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