| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| heroin legal in the united states | 1.33 | 0.7 | 1659 | 17 |
| when was heroin legal in the usa | 0.1 | 0.1 | 5840 | 98 |
| is heroin legal in any state | 1.12 | 0.2 | 6420 | 91 |
| heroin legal or illegal | 0.46 | 0.3 | 5137 | 44 |
| what is the legal status of heroin | 0.56 | 0.9 | 2022 | 73 |
| is heroin legal anywhere in the world | 1.4 | 0.7 | 3547 | 84 |
| where in the world is heroin legal | 0.44 | 0.3 | 6751 | 44 |
| was heroin ever legal | 0.14 | 0.3 | 3645 | 77 |
| is heroin a legal drug | 0.29 | 0.4 | 6125 | 78 |
| is heroin an illegal drug | 1.94 | 0.4 | 6971 | 51 |
| is heroin prescribed legally | 0.16 | 1 | 4150 | 50 |
