pharmacologist vs chemist

pharmacologist and chemist both are nouns.

Word	Noun	Adjective	Verb	Adverb
pharmacologist	Yes	No	No	No
chemist	Yes	No	No	No

As nouns, chemist is a hypernym of pharmacologist; that is, chemist is a word with a broader meaning than pharmacologist:

pharmacologist: someone trained in the science of drugs (their composition and uses and effects)
chemist: a health professional trained in the art of preparing and dispensing drugs

Other hypernyms of pharmacologist include apothecary, druggist, pharmacist, pill pusher, pill roller.

pharmacologist (noun)	chemist (noun)
someone trained in the science of drugs (their composition and uses and effects)	a scientist who specializes in chemistry
	a health professional trained in the art of preparing and dispensing drugs