| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| worst diseases in history | 1.01 | 0.5 | 6363 | 40 | 25 |
| worst | 1.73 | 0.3 | 8879 | 5 | 5 |
| diseases | 0.32 | 0.7 | 1050 | 44 | 8 |
| in | 0.3 | 0.7 | 2385 | 17 | 2 |
| history | 0.79 | 0.5 | 1049 | 82 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| worst diseases in history | 2 | 0.2 | 6444 | 8 |
| worst diseases in history of the world | 0.64 | 1 | 2409 | 56 |
| worst diseases in human history | 1.68 | 0.8 | 2440 | 98 |
| top 10 worst diseases in human history | 0.75 | 0.3 | 1773 | 68 |
| worst infectious diseases in history | 1.86 | 1 | 9646 | 67 |
| top 10 worst diseases in history | 1.61 | 0.8 | 9559 | 22 |
| the most deadly diseases in history | 0.3 | 0.3 | 2856 | 7 |
| deadliest diseases in history | 0.56 | 0.4 | 3006 | 10 |
| top 10 most deadly diseases in history | 0.48 | 0.4 | 1599 | 52 |
| most dangerous diseases in history | 0.17 | 1 | 5839 | 17 |
| worst disease outbreaks in history | 0.91 | 0.9 | 121 | 96 |
| biggest diseases in history | 1.25 | 0.3 | 6030 | 32 |
| what was the worst disease ever | 0.21 | 0.8 | 5004 | 54 |
| worst diseases of all time | 1.5 | 0.4 | 4730 | 98 |
| most deadly illnesses in history | 0.1 | 0.9 | 101 | 57 |
