belabour vs British spelling

belabour is not a noun while British spelling is a noun.

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

belabour (noun)	British spelling (noun)
	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

belabour (verb)	British spelling (verb)
attack verbally with harsh criticism
beat soundly
to work at or to absurd length