British spelling vs ruggedisation

British spelling and ruggedisation both are nouns.

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

British spelling (noun)	ruggedisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the act of making a piece of equipment rugged (strengthening to resist wear or abuse)