setter vs compositor

setter and compositor both are nouns.

Word	Noun	Adjective	Verb	Adverb
setter	Yes	No	No	No
compositor	Yes	No	No	No

As nouns, setter and compositor are synonyms defined as:

Other synonyms of setter include typesetter, typographer.

setter (noun)	compositor (noun)
a long-haired dog formerly trained to crouch on finding game but now to point	one who sets written material into type
one who sets written material into type