cool it vs cool off

cool it and cool off both are verbs.

Word	Noun	Adjective	Verb	Adverb
cool it	No	No	Yes	No
cool off	No	No	Yes	No

As verbs, cool it and cool off are synonyms defined as:

cool it and cool off: become quiet or calm, especially after a state of agitation

Other synonyms of cool it include calm, calm down, chill out, settle down, simmer down.

cool it (verb)	cool off (verb)
become quiet or calm, especially after a state of agitation	lose intensity
	become quiet or calm, especially after a state of agitation
	feel less enamoured of something or somebody