British spelling vs stabilisation

British spelling and stabilisation both are nouns.

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

British spelling (noun)	stabilisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the act of stabilizing something or making it more stable
	the act of making something (as a vessel or aircraft) less likely to overturn