| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| howard hughes doble steam car | 0.62 | 0.1 | 6601 | 44 |
| doble steam howard hughes | 0.17 | 0.3 | 7414 | 24 |
| howard hughes steam car | 1.3 | 0.1 | 1241 | 31 |
| howard hughes torpedo car | 0.2 | 1 | 5864 | 94 |
| doble steam car engine | 1.82 | 0.3 | 2397 | 19 |
| doble steam car for sale | 1.47 | 0.9 | 6941 | 89 |
| doble steam car plans | 0.14 | 0.9 | 9726 | 68 |
| howard hughes h-1 racer | 0.01 | 0.5 | 4241 | 22 |
| howard hughes hercules plane | 0.56 | 1 | 860 | 76 |
| howard hughes hercules aircraft | 1.76 | 0.3 | 8623 | 84 |
| hercules airplane howard hughes | 1.25 | 0.7 | 1317 | 99 |
| howard hughes huge plane | 0.44 | 0.6 | 8020 | 23 |
