British spelling vs dichotomisation

British spelling and dichotomisation both are nouns.

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

British spelling (noun)	dichotomisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the act of dividing into two sharply different categories