British spelling vs nerve fibre

British spelling and nerve fibre both are nouns.

Word	Noun	Adjective	Verb	Adverb
British spelling	Yes	No	No	No
nerve fibre	Yes	No	No	No

British spelling (noun)	nerve fibre (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	a threadlike extension of a nerve cell