writing vs compose

writing is a noun but compose is not a noun.

Word	Noun	Adjective	Verb	Adverb
writing	Yes	No	No	No
compose	No	No	Yes	No

writing (noun)	compose (noun)
the activity of putting something in written form
the act of creating written works
the work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect)
letters or symbols that are written or imprinted on a surface to represent the sounds or words of a language
(usually plural) the collected work of an author

writing (verb)	compose (verb)
	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