stabilisation vs British spelling

stabilisation and British spelling both are nouns.

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

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