| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| public domain super heroes list | 0.39 | 0.8 | 350 | 73 |
| public domain super hero | 0.37 | 0.5 | 6873 | 1 |
| superheroes that are in the public domain | 1.7 | 0.8 | 1679 | 89 |
| best public domain superheroes | 0.82 | 0.1 | 5568 | 77 |
| public domain comic heroes | 0.32 | 0.8 | 5831 | 83 |
| public domain heroes wiki | 1.09 | 0.4 | 3888 | 16 |
| heroes in the public domain | 0.12 | 0.8 | 8858 | 91 |
| public domain superheroes wiki | 0.99 | 0.6 | 2204 | 96 |
| super strength super heroes public domain | 0.28 | 0.9 | 7864 | 11 |
| public domain comic book heroes | 1.07 | 0.4 | 3583 | 36 |
| public domain superhero teams | 1.71 | 0.6 | 4801 | 97 |
| public domain heroes and villains | 1.86 | 0.3 | 530 | 77 |
| public domain comic book superheroes | 0.86 | 0.2 | 4794 | 72 |
| strong superhero public domain | 0.2 | 0.9 | 4750 | 71 |
| public domain superhero comic books | 1.12 | 1 | 730 | 24 |
| public domain superheroes and villains | 1.42 | 0.7 | 4821 | 66 |
| fast superheroes public domain | 0.1 | 0.3 | 7695 | 23 |
| superheroes with no powers public domain | 0.9 | 0.1 | 6620 | 48 |
| dc comics public domain superheroes | 0.13 | 0.3 | 1464 | 17 |
