| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| most killed serial killer | 1.5 | 0.8 | 1904 | 31 | 25 |
| most | 0.68 | 0.9 | 5425 | 73 | 4 |
| killed | 1.04 | 0.3 | 1698 | 32 | 6 |
| serial | 0.29 | 0.4 | 518 | 46 | 6 |
| killer | 1.49 | 0.6 | 9098 | 19 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| most killed serial killer | 1.44 | 0.4 | 8025 | 59 |
| most kills serial killer usa | 0.69 | 0.9 | 867 | 76 |
| which serial killer killed the most people | 0.55 | 1 | 9823 | 27 |
| what serial killer killed the most people | 0.21 | 0.4 | 2401 | 22 |
| serial killer who killed the most people | 0.99 | 0.2 | 3945 | 58 |
| what serial killer has killed the most people | 1.75 | 0.2 | 9503 | 92 |
| who has killed the most people serial killers | 0.5 | 0.3 | 6713 | 95 |
| serial killer that killed the most victims | 0.9 | 0.7 | 915 | 100 |
| serial killer that killed the most people | 0.49 | 0.2 | 2756 | 25 |
| most kills serial killers | 1.12 | 0.2 | 4612 | 12 |
| what serial killer has the most kills usa | 0.77 | 0.7 | 243 | 18 |
