British spelling vs mortice

British spelling and mortice both are nouns.

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

British spelling (noun)	mortice (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	a square hole made to receive a tenon and so to form a joint

British spelling (verb)	mortice (verb)
	join by a tenon and mortise
	cut a hole for a tenon in