chemist's vs drugstore

chemist's and drugstore both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist's	Yes	No	No	No
drugstore	Yes	No	No	No

As nouns, chemist's and drugstore are synonyms defined as:

chemist's and drugstore: a retail shop where medicine and other articles are sold

Other synonyms of chemist's include apothecary's shop, chemist's shop, pharmacy.

chemist's (noun)	drugstore (noun)
a retail shop where medicine and other articles are sold	a retail shop where medicine and other articles are sold