| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| why is modafinil a controlled substance | 0.8 | 0.8 | 4081 | 15 | 39 |
| why | 1.99 | 0.9 | 3634 | 76 | 3 |
| is | 1.93 | 0.4 | 2486 | 56 | 2 |
| modafinil | 0.38 | 0.3 | 3492 | 89 | 9 |
| a | 1.47 | 0.7 | 3678 | 58 | 1 |
| controlled | 1.39 | 0.4 | 6186 | 50 | 10 |
| substance | 0.97 | 0.7 | 4334 | 72 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why is modafinil a controlled substance | 1.6 | 0.1 | 8500 | 76 |
| is modafinil a controlled medication | 1.12 | 0.8 | 6927 | 89 |
| is modafinil controlled substance class | 0.57 | 0.4 | 9659 | 8 |
| is modafinil a controlled drug uk | 1.07 | 0.9 | 607 | 98 |
| is modafinil 200 mg a controlled substance | 0.44 | 0.4 | 987 | 55 |
| modafinil controlled substance schedule | 0.08 | 0.9 | 3669 | 69 |
| modafinil is a stimulant | 0.07 | 0.8 | 4346 | 33 |
| modafinil is it a narcotic | 2 | 0.4 | 2593 | 94 |
| modafinil what is it | 1.43 | 0.5 | 708 | 52 |
| modafinil class of drug | 0.69 | 0.9 | 9421 | 90 |
| modafinil type of drug | 1.91 | 0.6 | 3249 | 28 |
