| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| underground railroad series | 0.83 | 0.7 | 8058 | 18 | 27 |
| underground | 0.56 | 0.4 | 2536 | 16 | 11 |
| railroad | 0.69 | 1 | 5995 | 70 | 8 |
| series | 1.79 | 0.3 | 4656 | 53 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| underground railroad series | 1.2 | 0.7 | 728 | 42 |
