British spelling vs animal fibre

British spelling and animal fibre both are nouns.

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

British spelling (noun)	animal fibre (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	fiber derived from animals