| A | B |
| recluse | a person who lives alone or has little to do with other people |
| recuperate | to return to normal health or strength; recover |
| replenish | to build up a supply of something again |
| repugnant | causing disgust; offensive or repulsive |
| restitution | the act of doing something or paying money to make up for some damage or loss |
| sabotage | a deliberate and usually secret act that causes damage |
| scarcity | an insufficient amount or supply |
| scurry | to move with light running steps; scamper |