| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| vietnam war helmet liner | 0.5 | 0.3 | 6110 | 45 | 24 |
| vietnam | 1.1 | 0.4 | 7618 | 84 | 7 |
| war | 1.3 | 0.1 | 8356 | 41 | 3 |
| helmet | 0.61 | 0.9 | 8218 | 52 | 6 |
| liner | 1.23 | 0.9 | 7092 | 39 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| vietnam war helmet liner | 0.24 | 0.5 | 1470 | 87 |
| vietnam war m1 helmet liner | 1.98 | 0.5 | 2916 | 3 |
| vietnam war american helmet liner | 1.22 | 0.6 | 6495 | 13 |
| vietnam era helmet liner | 0.58 | 0.9 | 7367 | 91 |
| vietnam war army helmet | 0.67 | 0.4 | 3183 | 50 |
| us vietnam war helmet | 0.19 | 0.9 | 6465 | 95 |
| vietnam war flight helmet | 0.53 | 0.4 | 5327 | 84 |
| vietnam war helmet cover | 0.08 | 0.2 | 4903 | 19 |
| vietnam war tanker helmet | 0.91 | 1 | 1258 | 44 |
| vietnam war helicopter helmet | 1.36 | 0.3 | 2642 | 30 |
| helmets in vietnam war | 1.3 | 0.3 | 9919 | 9 |
| american vietnam war helmet | 1.05 | 1 | 6399 | 62 |
| vietnam m1 helmet liner | 1.8 | 0.9 | 728 | 2 |
| authentic vietnam war helmet | 1.05 | 0.9 | 1238 | 68 |
| helmets worn during vietnam war | 0.94 | 0.1 | 4825 | 67 |
| what helmet was used in vietnam | 0.47 | 0.5 | 3968 | 7 |
| us army vietnam helmet | 0.62 | 0.4 | 3774 | 36 |
