anesthetise vs drug

anesthetise is not a noun while drug is a noun.

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

As verbs, drug is a hypernym of anesthetise; that is, drug is a word with a broader meaning than anesthetise:

Other hypernyms of anesthetise include dose.

anesthetise (noun)	drug (noun)
	a substance that is used as a medicine or narcotic

anesthetise (verb)	drug (verb)
administer an anesthetic drug to	administer a drug to
	use recreational drugs