| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| helicopters used in vietnam war | 0.56 | 0.2 | 7058 | 51 | 31 |
| helicopters | 0.76 | 1 | 1885 | 94 | 11 |
| used | 0.81 | 0.2 | 9138 | 77 | 4 |
| in | 0.37 | 0.3 | 9840 | 70 | 2 |
| vietnam | 1.6 | 0.7 | 1384 | 77 | 7 |
| war | 0.53 | 0.1 | 1055 | 92 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| helicopters used in vietnam war | 1.79 | 0.8 | 6865 | 84 |
| helicopters used in vietnam war pictures | 0.44 | 0.8 | 2907 | 5 |
| us helicopters used in vietnam war | 1.85 | 1 | 9493 | 8 |
| what helicopters were used in vietnam war | 0.84 | 0.6 | 8842 | 73 |
| what helicopter was used in vietnam war | 0.96 | 0.2 | 6309 | 38 |
