| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| german submarine attack ww1 | 0.15 | 0.8 | 3873 | 50 | 27 |
| german | 0.77 | 0.2 | 9555 | 8 | 6 |
| submarine | 2 | 0.8 | 1819 | 76 | 9 |
| attack | 2 | 0.7 | 3876 | 56 | 6 |
| ww1 | 0.25 | 0.4 | 4536 | 88 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| german submarine attack ww1 | 1.85 | 0.8 | 6183 | 5 |
| german submarines attack american ships ww1 | 1.51 | 0.4 | 9687 | 1 |
| german submarine warfare ww1 | 1.41 | 0.6 | 6126 | 53 |
| german submarines in ww1 | 1.77 | 1 | 4738 | 24 |
| world war 1 german submarine | 0.98 | 1 | 8391 | 20 |
| german submarines world war 1 | 0.15 | 0.1 | 7102 | 65 |
| german unrestricted submarine warfare ww1 | 0.68 | 1 | 8337 | 33 |
| german submarines ww1 impact | 1.48 | 0.9 | 8403 | 45 |
| german submarine in ww2 | 0.66 | 0.5 | 7537 | 90 |
| world war one german submarines | 0.77 | 0.7 | 3755 | 91 |
| germany unrestricted submarine warfare ww1 | 0.72 | 0.1 | 1471 | 42 |
| what were german submarines called in ww1 | 0.92 | 0.5 | 4665 | 72 |
| german world war ii submarine | 0.45 | 1 | 2170 | 97 |
| german world war 2 submarine | 1.94 | 0.7 | 5358 | 86 |
| submarine in world war 1 | 1.08 | 0.9 | 6263 | 53 |
| german submarines after wwii | 1.02 | 0.1 | 8962 | 34 |
| german ww2 submarines part 1 | 1.09 | 0.3 | 6879 | 90 |
| german submarines world war 2 | 1.23 | 0.8 | 2500 | 1 |
