compiler vs writer

compiler and writer both are nouns.

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

As nouns, writer is a hypernym of compiler; that is, writer is a word with a broader meaning than compiler:

compiler: a person who compiles information (as for reference purposes)
writer: writes (books or stories or articles or the like) professionally (for pay)

Other hypernyms of compiler include author.

compiler (noun)	writer (noun)
(computer science) a program that decodes instructions written in a higher order language and produces an assembly language program	writes (books or stories or articles or the like) professionally (for pay)
a person who compiles information (as for reference purposes)	a person who is able to write and has written something