| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| helicopters used in vietnam | 1.75 | 0.6 | 993 | 14 | 27 |
| helicopters | 1.33 | 1 | 4434 | 52 | 11 |
| used | 0.26 | 0.6 | 9216 | 85 | 4 |
| in | 0.94 | 0.3 | 3148 | 74 | 2 |
| vietnam | 1.07 | 0.3 | 6738 | 3 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| helicopters used in vietnam | 1.66 | 0.9 | 7421 | 84 |
| helicopters used in vietnam war | 0.43 | 0.3 | 6986 | 35 |
| helicopters used in vietnam war pictures | 0.4 | 0.5 | 9000 | 44 |
| helicopters used in vietnam in 1968 | 1.51 | 0.3 | 5221 | 42 |
| what helicopters were used in vietnam | 0.93 | 0.8 | 1042 | 26 |
| us helicopters used in vietnam war | 1.54 | 0.8 | 1094 | 82 |
| usmc helicopters used in vietnam | 0.86 | 0.3 | 7319 | 33 |
| cobra helicopter gunship used in vietnam | 0.63 | 1 | 4137 | 71 |
| american helicopters used in vietnam | 1.73 | 0.2 | 9912 | 45 |
| what helicopters were used in vietnam war | 1.35 | 0.7 | 7768 | 62 |
| marine corps helicopters used in vietnam | 0.83 | 0.7 | 4303 | 80 |
