| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| did voltaire write any books | 1.38 | 0.4 | 7702 | 58 |
| how many books did voltaire write | 1.48 | 0.9 | 1039 | 93 |
| what books did voltaire publish | 1.56 | 0.8 | 1146 | 31 |
| what did voltaire write | 1.11 | 0.6 | 5439 | 90 |
| what writings did voltaire publish | 1.97 | 0.1 | 8339 | 60 |
| best books by voltaire | 1.91 | 1 | 1869 | 86 |
| voltaire best known book | 0.5 | 0.8 | 5709 | 46 |
| what did voltaire write most famous | 1.29 | 0.4 | 4979 | 70 |
| voltaire most famous books | 0.56 | 1 | 2875 | 92 |
| what work did voltaire write | 0.1 | 0.7 | 4038 | 57 |
| what did voltaire publish | 0.73 | 0.4 | 2660 | 18 |
| voltaire was the author of | 0.4 | 0.8 | 6784 | 51 |
| famous writings of voltaire | 1.12 | 0.7 | 9737 | 46 |
| voltaire most famous writings | 0.21 | 0.2 | 7638 | 66 |
