| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| serial killers brain abnormalities | 1.51 | 0.8 | 9688 | 73 | 34 |
| serial | 1.44 | 0.3 | 1322 | 29 | 6 |
| killers | 0.73 | 1 | 2838 | 56 | 7 |
| brain | 1.13 | 0.6 | 1879 | 26 | 5 |
| abnormalities | 0.14 | 0.7 | 1596 | 3 | 13 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| serial killers brain abnormalities | 0.48 | 0.2 | 799 | 27 |
| brain damage in serial killers | 1.97 | 0.5 | 8310 | 10 |
| serial killers brain vs normal brain | 1.27 | 0.7 | 7877 | 40 |
| serial killer brain damage | 1.37 | 0.9 | 4080 | 30 |
| serial killers with brain injuries | 0.4 | 0.6 | 7444 | 92 |
| serial killers and their brain chemistry | 1.84 | 0.1 | 3434 | 67 |
| brains of serial killers | 0.02 | 0.4 | 6551 | 63 |
| brain trauma and serial killers | 0.78 | 0.5 | 2260 | 88 |
| studies on serial killers brains | 1.61 | 0.1 | 9936 | 42 |
| serial killer brain studies | 0.34 | 0.1 | 119 | 19 |
| brain scans of serial killers | 0.04 | 0.3 | 3038 | 12 |
| serial killer brain compared to normal | 1.09 | 0.9 | 4226 | 97 |
| brains of serial killers vs normal | 0.89 | 0.4 | 7289 | 50 |
| brain chemistry of a serial killer | 0.85 | 0.2 | 7131 | 20 |
| serial killer brain vs normal | 1.83 | 0.6 | 1533 | 34 |
| neuroscience of serial killers | 1.39 | 0.5 | 9391 | 67 |
