| A | B |
| verify (def.) | to prove the truth of |
| verify | We tried to __ this employment by calling his former boss. |
| rarefy (def.) | to make more valuable, because it is not easily found |
| rarefy | The bookseller tried to __ the book by destroying most of the last copies. |
| modify (def.) | to change |
| modify | They had to __ the car to go under water. |
| falsify (def.) | to alter something in order to deceive (fool someone) |
| falsify | He tried to __ his income tax reports. |
| classify (def.) | to assign people or things to categories |
| classify | The scientists tried to __ all of the elements. |
| stupefy (def.) | to amaze; astonish |
| stupefy | The complete devastation left after the tornado hit would __ anyone. |
| nullify (def.) | to have the effect of canceling something out |
| nullify | They were forced to __ the teacher's contract after she missed a week of work without notice. |
| rectify (def.) | to set right; to correct |
| rectify | I restarted my side of the story to the principal in order to __ the situaion |
| intensify (def.) | to become or make something become greater or stronger |
| intensify | The pain in your tooth will __, if you don't go to see the dentist to have it removed. |
| lignify (def.) | to convert into wood |
| lignify | the young plant stem will __ as it matures. |
| -ify/-fy (definition) | to do or make |