2. knuckles
3. island
4. whistle
5. cupboard
6. science
7. honesty
8. wring
9. spaghetti
10. aisle
11. knowledge
12. scissors
13. column
14. rhythm
15. whisper
16. assignments
17. khaki
18. fascinating
19. moisten
20. receipt
Challenge:
1. pneumonia
2. foreign
