pill roller vs chemist

pill roller and chemist both are nouns.

Word	Noun	Adjective	Verb	Adverb
pill roller	Yes	No	No	No
chemist	Yes	No	No	No

As nouns, pill roller and chemist are synonyms defined as:

pill roller and chemist: a health professional trained in the art of preparing and dispensing drugs

Other synonyms of pill roller include apothecary, druggist, pharmacist, pill pusher.

pill roller (noun)	chemist (noun)
a health professional trained in the art of preparing and dispensing drugs	a scientist who specializes in chemistry
	a health professional trained in the art of preparing and dispensing drugs