| A | B | 
| preview | a look before everyone else | 
| review | to look over again | 
| pretest | a test before starting new material | 
| post-test | a test after material is taught | 
| retest | taking the test again | 
| postpaid | paid after a letter is sent | 
| prepaid | paid before anything is received | 
| repaid | paid back, paid again | 
| postwar | after a war | 
| prewar | before a war | 
| prewrite | to get ideas before writing | 
| rewrite | to write again | 
| preread | to skim before reading | 
| reread | to read again | 
| prewrap | to wrap before | 
| rewrap | to wrap again | 
| postdate | to happen later or after | 
| predate | to happen earlier, before | 
| recognize | to know as if you had met before | 
| recuperate | to become healthy again |