calm down vs compose

calm down and compose both are verbs.

Word	Noun	Adjective	Verb	Adverb
calm down	No	No	Yes	No
compose	No	No	Yes	No

As verbs, compose is a hyponym of calm down; that is, compose is a word with a more specific, narrower meaning than calm down:

Other hyponyms of calm down include lull, appease, assuage, conciliate, gentle, gruntle, lenify, mollify, pacify, placate.

calm down (verb)	compose (verb)
become quiet or less intensive	make up plans or basic details for
make calm or still	produce a literary work
become quiet or calm, especially after a state of agitation	write music
	put together out of existing material
	calm (someone, especially oneself); make quiet
	form the substance of