local anesthetic vs local anaesthetic

local anesthetic and local anaesthetic both are nouns.

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

As nouns, local anesthetic and local anaesthetic are synonyms defined as:

local anesthetic and local anaesthetic: anesthetic that numbs a particular area of the body

Other synonyms of local anesthetic include local, topical anaesthetic, topical anesthetic.

local anesthetic (noun)	local anaesthetic (noun)
anesthetic that numbs a particular area of the body	anesthetic that numbs a particular area of the body