Here are the words with the underlined part pronounced differently from the others in each set:

1. A. **market** (pronounced differently from the others)
2. B. **bamboo** (pronounced differently from the others)
3. A. **beat** (pronounced differently from the others)
4. B. **peace** (pronounced differently from the others)
5. C. **jealous** (pronounced differently from the others)
6. A. **downtown** (pronounced differently from the others)
7. C. **jam** (pronounced differently from the others)
8. B. **additional** (pronounced differently from the others)
9. A. **healthy** (pronounced differently from the others)
10. C. **honest** (pronounced differently from the others)

If you need any more help or specific sets identified, feel free to ask!