British spelling vs oil colour

British spelling and oil colour both are nouns.

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

British spelling (noun)	oil colour (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	oil paint containing pigment that is used by an artist