1. Sure (en) ensure
2. Sensitive (hyper) hypersensitive
3. Convincing (un) unconvincing
4. Relevant (non) nonrelevant
5. Obedient (dis) disobedient
6. Efficient (co) coefficient
7. Responsible (non) nonresponsible
8. Grateful (un) ungrateful
9. Loyal (dis) disloyal
10. Tolerant (in) intolerant
Sugih_forever