| real | Importance Index 14.2% |
| reviews | Importance Index 13.4% |
| resources | Importance Index 11.1% |
| right | Importance Index 10% |
| read | Importance Index 9.9% |
| register | Importance Index 9.2% |
| research | Importance Index 7.6% |
| rights | Importance Index 7.2% |
| review | Importance Index 6.5% |
| radio | Importance Index 6.2% |
| related | Importance Index 6.1% |
| report | Importance Index 5.2% |
| recent | Importance Index 5% |
| reserved | Importance Index 4.9% |
| resource | Importance Index 4.4% |
| results | Importance Index 4.2% |
| release | Importance Index 4.2% |
| really | Importance Index 4.1% |
| room | Importance Index 3.7% |
| releases | Importance Index 3.6% |