procaine vs topical anesthetic

procaine and topical anesthetic both are nouns.

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

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

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

procaine (noun)	topical 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