Free lesson, student sheet and answer key
Greek medical word parts: free teaching pack
Teach four Greek medical word parts with a free 20-minute lesson, ten written tasks, printable student sheet, answer key and online practice.
20 minutes · 4 word parts · 10 written tasks · 3-page PDF
High-school or introductory college medical terminology; independent learners can use the same steps. No Greek or Latin reading is required.
Download the teaching pack (PDF)
Page 1: lesson and reference. Page 2: student activity. Page 3: answer key and sources. Print page 2 for a recall check; add page 1 for supported practice. Use US Letter or fit to page on A4. The complete content is also available below.
Read closely: roots that look alike
- Recall four Greek-derived word parts used in English.
- Separate a root meaning from the meaning of a complete word.
- Explain why similar spellings can carry different meanings.
- 0–3 min: Read the four meanings together. Ask learners to find the root inside each example.
- 3–7 min: Model hyperhidrosis, then contrast hidr/o and hydr/o. Explain that a root is a clue, not a complete definition.
- 7–15 min: Give learners the student sheet. Use the reference for a first attempt; cover it for a recall check.
- 15–20 min: Compare explanations with the answer key. Discuss one spelling error, then use the exit task to check transfer.
Four word parts in context
| Word part | Meaning | Example |
|---|---|---|
| cyt/o | Cell | cytology: study of cells |
| hidr/o | Sweat | hyperhidrosis: excessive sweating |
| carp/o | Wrist | carpal: related to the wrist |
| somat/o | Body | somatic: related to the body |
Work through an example
In hyperhidrosis, hyper- supplies excess, hidr supplies sweat, and -osis marks a condition. The full term means excessive sweating. Hidr/o is a study notation; do not insert its slash or an extra o into the complete word.
Compare before you guess
Compare hidr/o (sweat) with hydr/o (water), and somat/o (body) with stomat/o (mouth). Check each letter before you choose a meaning. In cyt/o, the slash marks the joining vowel; it is not punctuation used in the complete English word.
Student activity: ten written tasks
Write on paper or in your own notes. Cover the reference for recall practice. Keep the answer key closed until you have tried each task.
Write the meaning of cyt/o.
Write the meaning of hidr/o.
Write the meaning of carp/o.
Write the meaning of somat/o.
Break cytology into cyt/o + -logy. Explain both parts and the whole word.
Break hyperhidrosis into hyper- + hidr + -osis. Explain the whole word.
Compare hidr/o and hydr/o. Which letter changes, and what are the two meanings?
A learner writes “stomat/o means body.” Correct the meaning and name the body root.
In carpal tunnel, which word supplies the wrist clue? Why is wrist not a full definition?
Exit task: explain somatic using somat- and -ic. What can you infer before reading the next word?
Open the answer key and teaching notes
Accept equivalent explanations that keep the key distinction. Use errors to choose the next example to review; this is practice, not a proficiency test.
Cell.
Sweat.
Wrist.
Body.
Cyt/o identifies cells; -logy supplies study. Cytology studies cells, including their examination with a microscope.
Hyper- adds excess, hidr identifies sweat, and -osis marks a condition: excessive sweating.
The i changes to y. Hidr/o refers to sweat; hydr/o refers to water.
Stomat/o means mouth. Somat/o means body. The extra t after s changes the root.
Carpal supplies the wrist clue. Tunnel names the passage; the complete phrase adds information beyond the root.
Somat- supplies body and -ic supplies relating to. Somatic describes something related to the body; the next word and sentence identify what is described.
Continue with feedback
Try the Greek medical roots quiz. Check explanations and retry missed questions. Return later to the written exit task without the table.
Use the Latin teaching pack next. It teaches a different set of word parts and tasks.
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Sources and scope
Original teaching sequence, prompts and model answers by Word Radicals. Vocabulary explanations checked against the sources below on October 18, 2026. The focus is English word study, not diagnosis or treatment.