benzocaine vs local anesthetic

benzocaine and local anesthetic both are nouns.

Word	Noun	Adjective	Verb	Adverb
benzocaine	Yes	No	No	No
local anesthetic	Yes	No	No	No

As nouns, local anesthetic is a hypernym of benzocaine; that is, local anesthetic is a word with a broader meaning than benzocaine:

Other hypernyms of benzocaine include local, local anaesthetic, topical anaesthetic, topical anesthetic.

benzocaine (noun)	local anesthetic (noun)
a white crystalline ester used as a local anesthetic	anesthetic that numbs a particular area of the body