procaine vs local anaesthetic

procaine and local anaesthetic both are nouns.

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

As nouns, local anaesthetic is a hypernym of procaine; that is, local anaesthetic 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 anaesthetic: anesthetic that numbs a particular area of the body

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

procaine (noun)	local anaesthetic (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