1. Sure
Prefix = Un-
Combination= Unsure
2. Sensitive
Prefix = In-
Combination= Insensitive
3. Convincing
Prefix = Un-
Combination= Unconvincing
4. Relevent
Prefix = Ir-
Combination= Irrelevent
5. Obedient
Prefix = Dis-
Combination= Disobedient
Prefix = Un-
Combination= Unobedient
6. Efficient
Prefix = In-
Combination =Inefficient
7. Responsible
Prefix = Ir-
Combination = Irresponsible
8. Grateful
Prefix = In-
Combination = Ingrateful
9. Loyal
Prefix = Dis-
Combination = Disloyal
10. Tolerant
Prefix = In-
Combination = Intolerant