British spelling vs anaesthesia

British spelling and anaesthesia both are nouns.

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

British spelling (noun)	anaesthesia (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	loss of bodily sensation with or without loss of consciousness