| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| greatest books on philosophy | 0.75 | 0.6 | 1584 | 15 | 28 |
| greatest | 1.89 | 0.3 | 4383 | 1 | 8 |
| books | 0.9 | 0.3 | 2531 | 83 | 5 |
| on | 0.43 | 0.7 | 5653 | 48 | 2 |
| philosophy | 0.62 | 0.9 | 5262 | 33 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| greatest books on philosophy | 1.68 | 0.2 | 6604 | 82 |
| greatest philosophy books of all time | 1.35 | 0.5 | 4320 | 13 |
| twenty greatest philosophy books | 0.46 | 0.5 | 9951 | 89 |
| top 10 greatest philosophy books | 1.46 | 0.6 | 7709 | 21 |
| best books of philosophy | 0.48 | 0.3 | 2665 | 2 |
| famous books of philosophy | 1.54 | 0.5 | 7510 | 100 |
| most popular philosophy books | 2 | 0.5 | 7942 | 8 |
| top books on philosophy | 0.18 | 0.4 | 2006 | 57 |
| most interesting philosophy books | 0.31 | 1 | 6562 | 83 |
| most important philosophy books | 1.43 | 1 | 5351 | 56 |
