write copy vs compose

write copy and compose both are verbs.

Word	Noun	Adjective	Verb	Adverb
write copy	No	No	Yes	No
compose	No	No	Yes	No

As verbs, compose is a hypernym of write copy; that is, compose is a word with a broader meaning than write copy:

Other hypernyms of write copy include indite, pen, write.

write copy (verb)	compose (verb)
write for commercial publications	make up plans or basic details for
	produce a literary work
	write music
	put together out of existing material
	calm (someone, especially oneself); make quiet
	form the substance of