Answer: Capulet does not know that Juliet is actually alive.
Dramatic irony occurs when the audience knows something that the characters of a narrative are unaware of. In this case, the lines are an example of dramatic irony because Capulet believes Juliet to be dead. However, the audience knows that Juliet has taken a potion that makes her appear dead, but that, in fact, she is alive and plans to escape with Romeo.
Do you mean plagiarism? If you do then copying or stealing could be a synonym
