CATCHING Z's

Can you fill in the missing letters to complete the Z words below?

1. Z _ _
2. Z _ _ _
3. Z _ _ _ _
4. Z _ _ Z _ _
5. Z _ _ _ _ _
6. Z _ _ _ _ _
7. _ Z _ _ _
8. _ Z _ _ _
9. _ _ Z
10. _ _ _ Z
11. _ _ _ Z
12. _ _ ZZ
13. _ _ ZZ
14. _ _ ZZ

Answers:

1. ZOO
2. ZERO
3. ZEBRA
4. ZIGZAG
5. ZINNIA
6. ZITHER
7. AZURE
8. OZONE
9. ADZ
10. QUIZ
11. WHIZ 
12. BUZZ
13. FIZZ
14. JAZZ