| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why a german submarine sunk the lusitania | 0.22 | 1 | 5288 | 99 |
| german submarine sinks the lusitania | 0.95 | 0.5 | 5591 | 1 |
| why did german u-boats sink the lusitania | 1.11 | 0.2 | 3070 | 66 |
| why did the germans sink the lusitania | 0.96 | 0.6 | 8458 | 12 |
| lusitania sinking german submarine | 0.49 | 0.3 | 9751 | 8 |
| what submarine sunk the lusitania | 0.04 | 0.2 | 7354 | 54 |
| lusitania sunk by a german u-boat | 1.37 | 0.6 | 8004 | 34 |
| why did germany sink the lusitania | 0.11 | 0.2 | 2213 | 5 |
| why was the lusitania sunk | 0.72 | 0.6 | 2338 | 49 |
| what german submarine that sank the lusitania | 1.59 | 0.6 | 239 | 17 |
| why the germans torpedoed the lusitania | 0.23 | 0.6 | 9769 | 81 |
| german sinking of the lusitania | 0.25 | 1 | 8962 | 63 |
| when was the lusitania sunk by germans | 0.73 | 0.1 | 1932 | 40 |
| lusitania sinking german involvement | 1.22 | 0.4 | 8715 | 46 |
| germany sinking the lusitania | 0.03 | 0.7 | 6796 | 85 |
| lusitania sinking german history | 0.2 | 0.1 | 8789 | 35 |
