cool off vs calm down

cool off and calm down both are verbs.

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

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

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

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

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