can someone help me with this plz ??????

1. sharp > ?
2. Hearing > ?
3. Walk > ambulatory
4. follow > sequence
5. break > fracture
6. Call > vocal
7. carry > portable
8. father > paternal
9. send > missile
10. peace > pacifist
11. come > ?
12. mother > maternal
I guess you could just guess for the last ones.