If you can use it, here is a worksheet on the Greek roots ep- and epi-. This one is complicated and requires a bit of interpretation, but the basic meanings of these two roots is on, upon, outside, over, among, at, after, and to. As you’ll see from the worksheet itself, this root forms the basis of many commonly used English words like epicenter and epilogue; you’ll also find it in epilepsy and episode. This is one of the most difficult roots to connect to students’ own experience and to find the connecting tissue between these words. I don’t use this much, particularly not with struggling and emergent readers.
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.