Plagiarise as a verb is to use, and pass off as one's own, someone else's writing, speech, ideas, or other intellectual or creative work, especially in an academic context; to commit plagiarism. while Plagiarize as a verb is (transitive or intransitive) to use, and pass off as one's own, someone else's writing/speech.
Part of speech: verb
Definition: To use, and pass off as one's own, someone else's writing, speech, ideas, or other intellectual or creative work, especially in an academic context; to commit plagiarism.
Part of speech: verb
Definition: (transitive or intransitive) To use, and pass off as one's own, someone else's writing/speech.
We hope you now know whether to use Plagiarise or Plagiarize in your sentence.