Yes, you can be accused of plagiarizing yourself. It’s a term called self-plagiarism and you can be suspended or expelled from school if found responsible.
What happens if you plagiarize yourself?
Plagiarism often involves using someone else’s words or ideas without proper citation, but you can also plagiarize yourself. Self-plagiarism means reusing work that you have already published or submitted for a class. … Self-plagiarism misleads your readers by presenting previous work as completely new and original.