British spelling vs etymologise

British spelling is a noun but etymologise is not a noun.

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

British spelling (noun)	etymologise (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

British spelling (verb)	etymologise (verb)
	construct the history of words
	give the etymology or derivation or suggest an etymology (for a word)