writing vs adopt

writing is a noun but adopt is not a noun.

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

writing (noun)	adopt (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)	adopt (verb)
	take into one's family
	take on a certain form, attribute, or aspect
	take up the cause, ideology, practice, method, of someone and use it as one's own
	put into dramatic form
	take up and practice as one's own
	choose and follow; as of theories, ideas, policies, strategies or plans
	take on titles, offices, duties, responsibilities