1. sub – under
2. semi – half
3. re – again or back
4. anti – against
5. micro – small
6. auto – of or by oneself
7. pro –in favour of
8. post - after
9. bi – two, twice
10. ex - former
11. mis – badly, wrongly
12. mono – one, single
13. over – too much
14. multi - many
15. under – not enough