peptisation vs British spelling

peptisation and British spelling both are nouns.

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

peptisation (noun)	British spelling (noun)
the process of converting to a sol; bringing to a colloidal solution	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')