myotic vs drug

myotic and drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
myotic	Yes	Yes	No	No
drug	Yes	No	Yes	No

As nouns, drug is a hypernym of myotic; that is, drug is a word with a broader meaning than myotic:

myotic (noun)	drug (noun)
a drug that causes miosis (constriction of the pupil of the eye)	a substance that is used as a medicine or narcotic

myotic (adjective)	drug (adjective)
of or relating to or causing constriction of the pupil of the eye

myotic (verb)	drug (verb)
	administer a drug to
	use recreational drugs