Final answer:
The root word that means cancer is 'carcino-' and is derived from the Greek word 'karkinos'.
Step-by-step explanation:
The root word that means cancer is carcino-. It is derived from the Greek word 'karkinos', which means 'crab'. This root word is commonly used in medical terminology to refer to cancerous conditions. For example, 'carcinoma' is a type of cancer that originates from epithelial cells.
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