mortice vs Australian spelling

mortice and Australian spelling both are nouns.

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

mortice (noun)	Australian spelling (noun)
a square hole made to receive a tenon and so to form a joint	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

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