honour vs British spelling

honour and British spelling both are nouns.

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

honour (noun)	British spelling (noun)
the quality of being honorable and having a good name	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')
a woman's virtue or chastity
a tangible symbol signifying approval or distinction
the state of being honored