British spelling vs skin colour

British spelling and skin colour both are nouns.

Word	Noun	Adjective	Verb	Adverb
British spelling	Yes	No	No	No
skin colour	Yes	No	No	No

British spelling (noun)	skin colour (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the coloring of a person's face