| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| morphine drug class opioid | 1.42 | 0.3 | 6637 | 40 | 26 |
| morphine | 0.18 | 0.3 | 7251 | 74 | 8 |
| drug | 1.86 | 0.5 | 1418 | 51 | 4 |
| class | 1.66 | 0.4 | 9110 | 73 | 5 |
| opioid | 0.21 | 0.7 | 5648 | 71 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| morphine drug class opioid | 1.7 | 0.2 | 1506 | 57 |
