procaine vs local anesthetic

procaine and local anesthetic both are nouns.

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

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

procaine: a white crystalline powder (trade name Ethocaine) administered near nerves as a local anesthetic in dentistry and medicine
local anesthetic: anesthetic that numbs a particular area of the body

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

procaine (noun)	local anesthetic (noun)
a white crystalline powder (trade name Ethocaine) administered near nerves as a local anesthetic in dentistry and medicine	anesthetic that numbs a particular area of the body