plagiaristic vs plagiarism

plagiaristic is not a noun while plagiarism is a noun.

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

plagiaristic (noun)	plagiarism (noun)
	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

plagiaristic (adjective)	plagiarism (adjective)
copied and passed off as your own