authorship vs write

authorship is a noun but write is not a noun.

Word	Noun	Adjective	Verb	Adverb
authorship	Yes	No	No	No
write	No	No	Yes	No

authorship (noun)	write (noun)
the act of creating written works
the act of initiating a new idea or theory or writing

authorship (verb)	write (verb)
	communicate or express by writing
	record data on a computer
	contact in writing
	produce a literary work
	mark or trace words or symbols on a surface
	write or name the letters that comprise the conventionally accepted form of (a word or part of a word)
	write music
	create code, write a computer program