British spelling vs overcapitalisation

British spelling and overcapitalisation both are nouns.

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

British spelling (noun)	overcapitalisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	(business) too much capitalization (the sale of more stock than the business warrants)