| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| deadliest wars in human history | 0.46 | 0.7 | 2969 | 90 |
| what was the deadliest war in human history | 1.83 | 0.3 | 2724 | 94 |
| what is the deadliest war in human history | 1.12 | 1 | 1967 | 14 |
| largest and deadliest wars in human history | 2 | 1 | 6824 | 48 |
| top 10 deadliest wars in human history | 1.34 | 0.9 | 2367 | 50 |
| top 10 deadliest wars in history | 0.5 | 0.4 | 5850 | 75 |
| top ten deadliest wars in history | 1.82 | 0.2 | 2427 | 66 |
| deadliest wars in history ranked | 0.21 | 0.5 | 7751 | 19 |
| which of history's wars was the deadliest | 0.8 | 0.7 | 5934 | 40 |
| deadliest war in history world | 0.75 | 0.5 | 9947 | 22 |
| deadliest war in history | 1.01 | 0.4 | 6360 | 66 |
| most deadly wars in history top 10 | 1.5 | 0.1 | 4574 | 59 |
| deadliest wars of all time | 1.95 | 0.5 | 8104 | 59 |
| most deadly war in history | 0.73 | 0.4 | 9362 | 32 |
| list of deadliest wars | 0.72 | 0.6 | 7138 | 51 |
| which wars were the most deadly | 0.91 | 0.3 | 7409 | 93 |
| what were the most deadly wars | 0.66 | 1 | 9755 | 41 |
| what war was the deadliest | 1.11 | 0.6 | 1657 | 65 |
