British spelling vs laboured

British spelling is a noun but laboured is not a noun.

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

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

British spelling (adjective)	laboured (adjective)
	lacking natural ease
	requiring or showing effort