| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| science vs serial killers | 1.69 | 0.4 | 6483 | 22 | 25 |
| science | 1.35 | 0.9 | 8287 | 32 | 7 |
| vs | 0.73 | 0.9 | 56 | 17 | 2 |
| serial | 0.76 | 0.4 | 3269 | 13 | 6 |
| killers | 0.6 | 0.5 | 2460 | 73 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| science vs serial killers | 1.97 | 0.7 | 9434 | 76 |
| the science of serial killers | 1.38 | 0.7 | 2353 | 7 |
| difference between killers and serial killers | 0.65 | 0.1 | 1796 | 83 |
| serial killer vs serial murderer | 0.23 | 0.5 | 7059 | 73 |
| killer vs serial killer | 0.81 | 0.8 | 8382 | 21 |
| what is the nature of serial killers | 1.64 | 1 | 2239 | 81 |
| which is true regarding serial killers | 1.51 | 0.1 | 9314 | 86 |
| studies on serial killers | 1.3 | 0.2 | 5159 | 52 |
| similarities with serial killers | 0.79 | 0.6 | 3064 | 64 |
| scholarly articles on serial killers | 0.16 | 0.9 | 5992 | 72 |
| serial killers research articles | 1.76 | 0.9 | 8855 | 27 |
| which do serial killers tend to be | 1.5 | 0.8 | 3693 | 29 |
| article about serial killers | 1.78 | 0.3 | 1612 | 7 |
| research question about serial killers | 0.46 | 0.1 | 3940 | 34 |
| research on serial killers | 0.94 | 0.2 | 8607 | 60 |
| how do serial killers think | 0.31 | 1 | 4941 | 13 |
| difference between serial killer and a killer | 0.25 | 1 | 1003 | 88 |
