1. Answer: DEN to make the word EVIDENCE

2. Answer: PET to make the word APPETITE

3. Answer: RAN to make the word FRANTICALLY

4. Answer: ACT to make the word PRACTICED

5. Answer: ART to make the word PARTIALLY

6. Answer: PEN to make the word DEPENDS

7. Answer: SON to make the word REASONABLE

8. Answer: PET to make the word CONPETITION

9. Answer: TEN to make the word POTENTIAL

10. Answer: MET to make the word CEMETERY