pharmacy vs pharmaceutics

pharmacy and pharmaceutics both are nouns.

Word	Noun	Adjective	Verb	Adverb
pharmacy	Yes	No	No	No
pharmaceutics	Yes	No	No	No

As nouns, pharmacy and pharmaceutics are synonyms defined as:

pharmacy and pharmaceutics: the art and science of preparing and dispensing drugs and medicines

pharmacy (noun)	pharmaceutics (noun)
a retail shop where medicine and other articles are sold	the art and science of preparing and dispensing drugs and medicines
the art and science of preparing and dispensing drugs and medicines