plagiariser vs literary pirate

plagiariser and literary pirate both are nouns.

Word	Noun	Adjective	Verb	Adverb
plagiariser	Yes	No	No	No
literary pirate	Yes	No	No	No

As nouns, plagiariser and literary pirate are synonyms defined as:

plagiariser and literary pirate: someone who uses another person's words or ideas as if they were his own

Other synonyms of plagiariser include pirate, plagiarist, plagiarizer.

plagiariser (noun)	literary pirate (noun)
someone who uses another person's words or ideas as if they were his own	someone who uses another person's words or ideas as if they were his own