| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nikola tesla death ray invention | 0.17 | 0.4 | 662 | 100 |
| nikola tesla inventions death ray | 1.02 | 0.1 | 8262 | 95 |
| nikola tesla death ray | 0.4 | 0.8 | 4871 | 84 |
| did tesla invent a death ray | 0.81 | 1 | 266 | 1 |
| did tesla create a death ray | 1.59 | 1 | 3828 | 71 |
| nikola tesla death ray gun | 1.11 | 0.9 | 1757 | 47 |
| nikola tesla inventions death | 1 | 0.9 | 8928 | 69 |
| nikola tesla's x ray invention | 1.41 | 1 | 2100 | 26 |
| did nikola tesla invent the x ray | 1.06 | 0.2 | 1979 | 61 |
| what was tesla's death ray | 0.72 | 0.6 | 6375 | 74 |
| nikola tesla x ray machine | 0.5 | 0.2 | 5655 | 97 |
| tesla death ray test | 0.09 | 0.6 | 4969 | 13 |
| invention of nikola tesla | 1.37 | 0.7 | 6501 | 76 |
| nikola tesla lost inventions | 1.7 | 0.6 | 2457 | 61 |
| nikola tesla inventions images | 1.96 | 0.4 | 7736 | 48 |
| pictures of nikola tesla inventions | 0.9 | 1 | 1501 | 96 |
| nikola tesla inventions and discoveries | 0.87 | 1 | 2278 | 43 |
| about nikola tesla and his inventions | 1.35 | 0.2 | 1192 | 78 |
