Choose the word whose underlined part is pronounced differently from the others

Exercise 2. Choose the word whose underlined part is pronounced differently from the others.
1. A. of B. coffee C. leaf D. fault
2. A. cough B. laugh C. enough D. through
3. A. knee B. knife C. king D. knitting
4. A. daughter B. weigh C. rough D. thought
5. A. allergy B. calorie C. coordinate D. triathlon
6. A. essential B. attention C. vegetarian D. Depression
7. A. sick B. swimming C. itchy D. riding
8. A. really B. healthy C. regularly D. identify
9. A. eat B. head C. dead D. bread
10. A. kind B. ride C. knife D. kid