write vs writer

write is not a noun while writer is a noun.

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

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

write (verb)	writer (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