writer vs write

writer is a noun but write is not a noun.

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

writer (noun)	write (noun)
writes (books or stories or articles or the like) professionally (for pay)
a person who is able to write and has written something

writer (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