Finally this morning, here is a worksheet on the Greek roots pneum, pneumon-o, -pnea and -pnoea. They mean, variously, breathing, lung, air, and spirit (leave it to the Greeks to blend the literal and metaphorical with ease). This is another worksheet for students interested in the health professions.
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.