breathe vs catch one's breath

breathe and catch one's breath both are verbs.

Word	Noun	Adjective	Verb	Adverb
breathe	No	No	Yes	No
catch one's breath	No	No	Yes	No

As verbs, breathe and catch one's breath are synonyms defined as:

breathe and catch one's breath: take a short break from one's activities in order to relax

Other synonyms of breathe include rest, take a breather.

breathe (verb)	catch one's breath (verb)
draw air into, and expel out of, the lungs	take a short break from one's activities in order to relax
expel (gases or odors)
reach full flavor by absorbing air and being let to stand after having been uncorked
take a short break from one's activities in order to relax
utter or tell
manifest or evince
impart as if by breathing
be alive
allow the passage of air through