Hint: Nouns that start with 'v'
The answer to this puzzle is:
1. VEHICLE
2. VOLCANO
3. VALVE
4. VISTA
5. VIGOR
6. VIDEO
7. VENTURE
8. VALUE
9. VERB
10. VIRTUE
11. VIBRATION
2. VOLCANO
3. VALVE
4. VISTA
5. VIGOR
6. VIDEO
7. VENTURE
8. VALUE
9. VERB
10. VIRTUE
11. VIBRATION