Answer:
1. Semicircle
2. Synergy
3. Undoing
4. Bellicose
4. Incision
5. Pendulous
6. Hydrophobia
7. Pentagram
8. Omnipotent
9. Pseudo
10. Hematoma
11. Mononuclear
12. Vivacious
13. Ponderous
14. Dormitory