cool it vs calm down

cool it and calm down both are verbs.

Word	Noun	Adjective	Verb	Adverb
cool it	No	No	Yes	No
calm down	No	No	Yes	No

As verbs, cool it and calm down are synonyms defined as:

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

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

cool it (verb)	calm down (verb)
become quiet or calm, especially after a state of agitation	become quiet or less intensive
	make calm or still
	become quiet or calm, especially after a state of agitation