OK, closing out the afternoon and the first semester of this school year, here is a worksheet on the Greek root phyll/o. It means leaf, and is very productive, particularly in the sciences, in the English language. You can find it, for example, in a commonly used noun in biology: chlorophyll.
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.