| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ec-121q | 0.29 | 0.4 | 4974 | 84 |
| ec-121 warning star | 1.4 | 0.2 | 8608 | 45 |
| ec-121 aircraft | 0.33 | 0.2 | 6778 | 96 |
| ec-121 shootdown | 0.29 | 0.4 | 3064 | 42 |
| ec 121 plane | 1.42 | 0.8 | 633 | 43 |
| ec 121 crash danang | 0.7 | 0.8 | 1891 | 22 |
| ec 121 shot down by north korea | 0.25 | 0.2 | 3458 | 50 |
| ec 121 h lockheed constellation | 1.06 | 0.7 | 7903 | 92 |
| ec 121 warning star photos | 0.56 | 0.3 | 2453 | 78 |
| ec 121 aircraft images | 0.61 | 0.9 | 2078 | 68 |
| ec 121 crashes | 1.72 | 1 | 5523 | 90 |
| ec 121 incident | 1.86 | 0.6 | 6123 | 40 |
| ec 121 north korean incident april 1969 | 1.85 | 1 | 5771 | 34 |
| ec 121 shot down | 0.14 | 1 | 6584 | 59 |
| ec 121 shootdown by north korea | 1.72 | 0.9 | 4216 | 37 |
| ec-121 1/144 | 0.47 | 0.3 | 4285 | 98 |
| ec-121 model kit | 0.11 | 1 | 9562 | 91 |
| ec-121 college eye | 0.07 | 1 | 2515 | 94 |
| ec-121 1/72 | 0.99 | 0.7 | 324 | 52 |
| ec-121 shootdown 1969 | 1.56 | 0.4 | 3183 | 23 |
| ec-121 momoka | 0.94 | 1 | 6396 | 86 |
| ec-121 photos | 0.28 | 0.8 | 3710 | 34 |
| ec-121 super constellation | 0.95 | 0.2 | 2432 | 37 |
