word-painter vs writer

word-painter and writer both are nouns.

Word	Noun	Adjective	Verb	Adverb
word-painter	Yes	No	No	No
writer	Yes	No	No	No

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

word-painter: a writer of vivid or graphic descriptive power
writer: writes (books or stories or articles or the like) professionally (for pay)

Other hypernyms of word-painter include author.

word-painter (noun)	writer (noun)
a writer of vivid or graphic descriptive power	writes (books or stories or articles or the like) professionally (for pay)
	a person who is able to write and has written something