| A | B |
| anti | antibiotic=AGAINST infection |
| bi | bicycle=TWO wheeled cycle |
| co | coworker-work TOGETHER |
| dis | dislike=NOT like |
| in | indoor=INTO or inside the doors |
| mid | midnight=MIDDLE of the night |
| mis | mistake=WRONG |
| multi | multimillioinaire=MANY millions |
| pre | pretest=BEFORE the real test |
| re | relocate=locate AGAIN |
| semi | semifinal=PART won |
| super | superman=ABOVE AVERAGE man |
| sub | subway=train UNDER the ground |
| un | undo=NOT do or the OPPOSITE of do |
| in | incorrect=NOT correct |