plagiarisation vs plagiarism

plagiarisation and plagiarism both are nouns.

Word	Noun	Adjective	Verb	Adverb
plagiarisation	Yes	No	No	No
plagiarism	Yes	No	No	No

As nouns, plagiarisation and plagiarism are synonyms defined as:

plagiarisation and plagiarism: the act of plagiarizing; taking someone's words or ideas as if they were your own

Other synonyms of plagiarisation include piracy, plagiarization.

plagiarisation (noun)	plagiarism (noun)
the act of plagiarizing; taking someone's words or ideas as if they were your own	the act of plagiarizing; taking someone's words or ideas as if they were your own
	a piece of writing that has been copied from someone else and is presented as being your own work