| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| fentanyl vs morphine structure | 0.93 | 0.2 | 3226 | 66 | 30 |
| fentanyl | 1.34 | 0.4 | 8340 | 55 | 8 |
| vs | 0.47 | 0.2 | 2442 | 61 | 2 |
| morphine | 0.12 | 0.2 | 5412 | 95 | 8 |
| structure | 1.92 | 0.3 | 7627 | 75 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| fentanyl vs morphine structure | 0.2 | 0.6 | 5825 | 48 |
