Moving right along on this rainy morning in Vermont, here is a worksheet on the Latin word root purg. It means clean, and is a very productive root in English and the Romance languages. However, as you will see, you and your students, where words that grow around this root are concerned, will need to think broadly and figuratively about the definition of clean.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.