| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| serial killer brain vs normal brain | 1.33 | 1 | 7784 | 68 |
| serial killer brain vs normal | 1.88 | 0.4 | 1148 | 24 |
| how is a serial killers brain different | 1.54 | 0.8 | 9635 | 62 |
| brain of a serial killer | 1.69 | 0.1 | 2627 | 50 |
| psychology of serial killers vs normal people | 1.71 | 1 | 3189 | 22 |
| serial killer brain study | 0.87 | 0.3 | 4905 | 33 |
| brain structure of a serial killer | 1.33 | 0.3 | 1814 | 63 |
| brain chemistry of a serial killer | 0.28 | 0.8 | 8628 | 78 |
| brain damage in serial killers | 0.21 | 0.1 | 4135 | 47 |
| serial killers with brain abnormalities | 0.45 | 0.2 | 915 | 51 |
| understanding the mind of a serial killer | 1.83 | 0.9 | 1870 | 46 |
| can serial killers be normal | 0.44 | 0.4 | 2384 | 8 |
| brain scans of serial killers | 1.09 | 0.5 | 8338 | 73 |
| brain function of serial killers | 1.66 | 0.1 | 864 | 95 |
| the mind of a serial killer psychology | 1.71 | 0.5 | 1188 | 53 |
| serial killer criminal psychology | 0.99 | 0.1 | 8508 | 75 |
| study of serial killers brains | 0.56 | 0.6 | 1849 | 15 |
| are serial killers brains different | 1.56 | 0.4 | 2378 | 75 |
| serial killer brain scan | 0.25 | 0.1 | 5495 | 31 |
