| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| underground railway | 1.58 | 0.9 | 295 | 13 | 19 |
| underground | 1.75 | 0.4 | 9566 | 27 | 11 |
| railway | 1.39 | 0.7 | 2705 | 19 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| underground railway | 1.42 | 1 | 4717 | 66 |
| underground railway system | 0.95 | 0.1 | 380 | 82 |
| underground railway museum | 1.48 | 1 | 1735 | 39 |
| underground railway system task 1 | 1.54 | 0.3 | 5587 | 37 |
| underground railway book | 1.41 | 0.5 | 3822 | 62 |
| underground railway map | 0.39 | 0.8 | 5631 | 27 |
| underground railway minecraft ideas | 0.95 | 0.6 | 9379 | 10 |
| underground railway press | 0.68 | 0.6 | 4621 | 28 |
| underground railway movie | 1.87 | 1 | 2774 | 13 |
| underground railway synonyms | 0.33 | 0.2 | 370 | 7 |
| underground railway system in paris | 1.92 | 0.8 | 1362 | 30 |
| the development of london underground railway | 1.72 | 0.7 | 1119 | 94 |
| first underground railway | 1.09 | 0.1 | 542 | 38 |
| the london underground railway | 0.19 | 1 | 6450 | 53 |
| london underground railway society | 0.35 | 0.7 | 1345 | 21 |
| the london underground railway ielts reading | 1.04 | 0.1 | 2830 | 22 |
| liverpool underground railway | 0.43 | 0.3 | 7530 | 47 |
