Suffixes!
Across
- 3. add -ness to happy
- 5. add -ness to creepy
- 7. add -ness to soft
- 10. add -ous to danger
- 11. add -ous to homour
Down
- 1. add -ness to kind
- 2. add -ness to sleepy
- 4. add -ness to sick
- 6. add -ous to poison
- 8. add -ous to envy
- 9. add -ous to joy