| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what drug is in heroin | 0.63 | 0.9 | 4958 | 85 |
| what type of drug is heroin | 1.79 | 0.1 | 6915 | 53 |
| how long does heroin stay in system drug test | 1.53 | 0.5 | 1377 | 46 |
| heroin drug classification | 0.39 | 0.3 | 2050 | 35 |
| what kind of drug is heroin | 1.24 | 0.9 | 41 | 93 |
| heroin treatment drug | 1.96 | 1 | 3731 | 81 |
| heroin the drug | 1.07 | 0.1 | 301 | 18 |
| heroin drug rehab | 2 | 0.4 | 5373 | 33 |
| what class of drug is heroin in | 0.76 | 0.5 | 6879 | 49 |
| drug heroin effects | 0.91 | 0.9 | 7963 | 71 |
| drug heroin definition | 1.77 | 0.5 | 85 | 60 |
| what type of drug is heroin classified as | 1.73 | 0.7 | 7402 | 41 |
| what type of drug is heroin stimulants | 0.39 | 0.1 | 1650 | 36 |
| what type of drug is heroin considered | 0.74 | 0.9 | 9921 | 43 |
| heroin type of drug | 1.17 | 0.5 | 7208 | 99 |
| heroin type of drug classification | 0.8 | 0.7 | 842 | 23 |
| which type of drug is heroin an example of | 0.83 | 0.3 | 3835 | 59 |
| heroine type of drug | 0.3 | 0.1 | 89 | 57 |
| what type of illicit drug is heroin | 0.89 | 0.6 | 6417 | 58 |
