British spelling vs calibre

British spelling and calibre both are nouns.

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

British spelling (noun)	calibre (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	a degree or grade of excellence or worth
	diameter of a tube or gun barrel