| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| modafinil drug classification | 1.64 | 0.1 | 5319 | 19 | 29 |
| modafinil | 0.13 | 0.6 | 6278 | 16 | 9 |
| drug | 0.67 | 0.9 | 6022 | 87 | 4 |
| classification | 1.53 | 0.5 | 5021 | 70 | 14 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| modafinil drug classification | 1.96 | 0.5 | 6008 | 34 |
