Answer:
1. tack
2. Spek
3. brisk
4. mask
5. ouch
6. stitch
7. Dutch
8. torch
9. edge
10. badge
11. plunge
12. wedge
13. lightly
14. completely
15. cuddly
16. ability
17. melodious
18. appliance
19. envious
20. merriest
21. funniest
22. injurious
23. multiplying
24. craftiness
25. furious
26. healthiest