anaesthetic vs British spelling

anaesthetic and British spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
anaesthetic	Yes	Yes	No	No
British spelling	Yes	No	No	No

anaesthetic (noun)	British spelling (noun)
a drug that causes temporary loss of bodily sensations	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

anaesthetic (adjective)	British spelling (adjective)
relating to or producing insensibility
characterized by insensibility