| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| who created chemical warfare | 0.24 | 0.5 | 4733 | 50 | 28 |
| who | 0.97 | 0.2 | 7968 | 67 | 3 |
| created | 0.91 | 0.3 | 7882 | 47 | 7 |
| chemical | 0.91 | 0.2 | 7497 | 66 | 8 |
| warfare | 0.75 | 0.2 | 9142 | 1 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| who created chemical warfare | 1.71 | 0.3 | 8486 | 92 |
