| A | B |
| re- | again |
| scope | to look |
| rearrange | to place in a new way |
| recede | to move back or farther away; to slope backward |
| recondition | to put into good condition again; to repair |
| reconsider | to think about again. particularly when being asked to change a decision |
| redecorate | to change the style and appearance, usually of a room or home |
| regress | to return to an earlier or less mature level of development |
| horoscope | an analysis of the position of stars and planets at a particular place and time |
| kaleidoscope | a tube-shaped toy that one looks through to see a variety of changing colored patterns |
| microscope | an optical instrument for viewing objects to small to be seen by the naked eye |
| periscope | an optical instrument for viewing objects that are overhead or otherwise out of sight-used especially in submarines |
| scope | range of view or understanding; the space within which something exists, covers, or is limited to |