British spelling vs plagiarisation

British spelling and plagiarisation both are nouns.

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

British spelling (noun)	plagiarisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the act of plagiarizing; taking someone's words or ideas as if they were your own