ochre vs British spelling

ochre and British spelling both are nouns.

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

ochre (noun)	British spelling (noun)
a moderate yellow-orange to orange color	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')
any of various earths containing silica and alumina and ferric oxide; used as a pigment

ochre (adjective)	British spelling (adjective)
of a moderate orange-yellow color