| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| how did germany use submarines during wwi | 0.64 | 0.4 | 9294 | 9 | 41 |
| how | 0.54 | 0.1 | 8432 | 40 | 3 |
| did | 0.11 | 0.8 | 7178 | 66 | 3 |
| germany | 1.7 | 0.9 | 899 | 34 | 7 |
| use | 1.93 | 1 | 2900 | 61 | 3 |
| submarines | 0.03 | 1 | 7745 | 57 | 10 |
| during | 1.2 | 0.7 | 4371 | 43 | 6 |
| wwi | 1.96 | 0.9 | 4373 | 7 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how did germany use submarines during wwi | 0.44 | 0.6 | 8664 | 8 |
| use of submarines in wwi | 1.62 | 0.3 | 7585 | 56 |
| did germany have submarines in ww1 | 0.92 | 0.9 | 6034 | 22 |
| how did submarines work in ww1 | 0.08 | 0.4 | 6641 | 62 |
| use of submarines in ww2 | 1.45 | 0.3 | 99 | 79 |
| how was submarines used in ww1 | 0.88 | 0.9 | 3935 | 70 |
| how did ww2 submarines work | 0.3 | 0.2 | 2831 | 77 |
| main use of submarines in ww1 | 1.46 | 0.2 | 8338 | 89 |
| did the germans invent submarines | 0.97 | 0.6 | 7738 | 75 |
| what were german submarines called during wwi | 1.31 | 0.6 | 4540 | 35 |
| did nazis make submarines | 1.82 | 1 | 4198 | 3 |
| german submarines after wwii | 1.09 | 0.9 | 1406 | 74 |
| german submarines in ww2 | 1.29 | 0.2 | 3621 | 73 |
| german submarines in ww1 | 0.49 | 0.2 | 2399 | 22 |
| german submarine warfare ww1 | 1.94 | 0.3 | 7424 | 1 |
| german submarines world war 2 | 1.16 | 0.3 | 7099 | 2 |
