| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ntsb accident database railroad | 1.97 | 0.5 | 841 | 12 | 31 |
| ntsb | 0.59 | 0.1 | 9799 | 38 | 4 |
| accident | 1.86 | 0.1 | 4076 | 42 | 8 |
| database | 1.53 | 0.2 | 4802 | 42 | 8 |
| railroad | 0.98 | 0.1 | 510 | 64 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ntsb accident database railroad | 1.88 | 0.4 | 8501 | 19 |
| ntsb railroad accident reports database | 0.45 | 0.8 | 9277 | 73 |
| ntsb railroad accident reports | 1.81 | 0.7 | 7754 | 38 |
| ntsb train accident database | 0.1 | 0.4 | 8111 | 81 |
| ntsb accident database ntsb accident reports | 0.99 | 0.1 | 4165 | 59 |
| ntsb rail accident reports | 0.74 | 0.9 | 5790 | 35 |
| ntsb accident report database | 1.91 | 0.5 | 957 | 34 |
| ntsb accident database search | 0.45 | 0.8 | 9601 | 63 |
| ntsb train accident reports | 2 | 0.1 | 9319 | 84 |
| ntsb accident database by month | 1.73 | 0.3 | 4207 | 93 |
| ntsb aviation accident database | 1.65 | 0.6 | 8968 | 47 |
| ntsb accident database aircraft | 0.72 | 0.8 | 5624 | 36 |
| ntsb accident database faa | 1 | 0.8 | 2074 | 89 |
| ntsb marine accident database | 0.91 | 0.1 | 4340 | 17 |
| ntsb accident database monthly list | 0.66 | 0.3 | 4768 | 83 |
| ntsb aviation accident and incident database | 0.88 | 0.3 | 8062 | 99 |
| ntsb maritime accident database | 0.34 | 0.7 | 2160 | 20 |
| ntsb aviation accident database query | 0.34 | 0.8 | 5538 | 58 |
| ntsb accident report search | 1.2 | 0.1 | 5571 | 76 |
| ntsb initial accident reports | 1.84 | 0.7 | 8380 | 8 |
| search ntsb accident reports | 1.9 | 0.6 | 6661 | 25 |
| ntsb accident incident report | 0.52 | 0.8 | 4170 | 49 |
