- anti (antiaging, antiliberal, antiwar): against
- de (demote, depress, degrade, deject, deprive: from, down
- en, em (embrace, enslave): in, into
- in, im (inject, inside, impose, implant, imprision): into
- in, im, il, ir (illegal, irregular, incorrect, immoral): not
- mid (midwest, midway): middle
- non (nonsense, nontaxable, nonexistent): not
- pre (orewar, preview, prevent): before
- semi (semiconductable): half
- sub (submerge): under
- un (unnatural, unbutton): not, release