1. ex: ex-convict, ex-husband
2. re: re-balance, reestablish,
3. ir: irresponsible, irrelevant
4. im: imbalance, immodest
5. tri: triangle, tripartite
6. bi: bilingual, bisexual
7. di: dipole, dicotyledon
8. neo: neoclassical, neo-colonialism
9: pan: pan-african, pan-hellenic
10. en: enslave, endanger
11. arch: archbishop, arch-enemy
12. anti: anti-social, antibacterial
13. il: illegal, illicit
14. ante: ante-room, ante-natal
15. ill: ill-fated, ill-fitting
