| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| howard hughes h1 racer | 1.28 | 0.6 | 2926 | 39 |
| howard hughes h-1 racer | 0.96 | 0.2 | 5953 | 69 |
| hughes h1 racer plans | 1.37 | 0.5 | 5584 | 92 |
| howard hughes h1 airplane | 0.45 | 0.7 | 9922 | 44 |
| jim wright hughes h-1 racer | 1.14 | 0.4 | 4160 | 81 |
| howard hughes racing plane | 0.03 | 0.3 | 6690 | 92 |
| hughes h-1 air racer replica forums | 1.63 | 0.6 | 4143 | 82 |
| hughes h-1 racer replica | 0.34 | 0.7 | 5507 | 74 |
| howard hughes speed record | 1.3 | 0.9 | 6827 | 30 |
| howard hughes fighter plane | 1.06 | 0.1 | 2318 | 75 |
| howard hughes steam car | 0.5 | 0.4 | 5786 | 56 |
| howard hughes doble steam car | 1.01 | 0.2 | 2706 | 63 |
| howard hughes speed record plane | 1.46 | 1 | 7282 | 3 |
| richard hughes racing ltd | 1.48 | 0.6 | 8613 | 34 |
| hercules airplane howard hughes | 0.77 | 1 | 2001 | 87 |
| howard hughes hercules aircraft | 0.82 | 0.8 | 4186 | 72 |
| tony hughes racing driver | 1.99 | 0.8 | 4520 | 15 |
| howard hughes giant plane | 1.3 | 0.5 | 7980 | 24 |
| hughes h-4 | 1.41 | 0.3 | 6287 | 95 |
| robert hughes jaguar racing | 0.39 | 0.3 | 9961 | 29 |
| richard hughes racing post | 1.95 | 1 | 6853 | 100 |
| howard hughes racer h1 aircraft | 0.95 | 0.8 | 6595 | 49 |
