| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| opioids cns depressants | 0.31 | 0.7 | 6579 | 27 | 23 |
| opioids | 1.93 | 0.7 | 8847 | 34 | 7 |
| cns | 0.86 | 0.9 | 9143 | 39 | 3 |
| depressants | 0.66 | 0.4 | 1073 | 20 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| opioids cns depressants | 1.08 | 0.4 | 7890 | 16 |
| are opioids cns depressants | 0.33 | 1 | 4865 | 35 |
| are opioids central nervous system depressant | 0.91 | 0.2 | 5889 | 95 |
| are opioids a depressant | 0.43 | 0.1 | 4882 | 41 |
