pharmacologist vs apothecary

pharmacologist and apothecary both are nouns.

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

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

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

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

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