| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| rational definition history | 0.92 | 0.9 | 9515 | 20 | 27 |
| rational | 0.37 | 0.2 | 2328 | 99 | 8 |
| definition | 1.16 | 0.5 | 7524 | 60 | 10 |
| history | 0.64 | 0.8 | 8495 | 33 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| rational definition history | 1.6 | 0.3 | 2418 | 90 |
