| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| greatest space opera novels | 1.66 | 0.6 | 3297 | 48 | 27 |
| greatest | 1.36 | 1 | 1297 | 94 | 8 |
| space | 1.22 | 0.1 | 9819 | 59 | 5 |
| opera | 1.48 | 0.9 | 2140 | 13 | 5 |
| novels | 1.87 | 0.6 | 4775 | 72 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| greatest space opera novels | 1.7 | 0.6 | 9565 | 19 |
| greatest space opera science fiction novels | 0.82 | 0.1 | 6281 | 7 |
| best space opera book series | 1.52 | 0.1 | 2261 | 73 |
| best space opera series books | 1.39 | 0.2 | 5350 | 82 |
| good space opera books | 1.77 | 0.3 | 3357 | 41 |
| best space opera science fiction books | 0.03 | 0.5 | 6391 | 8 |
| best space opera series | 1.58 | 0.6 | 1870 | 47 |
| best new space opera books | 1.58 | 0.9 | 3173 | 21 |
| new space opera novels | 1.98 | 0.9 | 6707 | 5 |
| best science fiction space opera | 1.6 | 0.3 | 7664 | 78 |
| amazon space opera books | 0.46 | 0.5 | 1476 | 36 |
| best space opera books reddit | 0.64 | 0.4 | 9555 | 40 |
| best space operas of all time | 0.7 | 0.6 | 9465 | 16 |
| space opera romance books | 0.65 | 0.9 | 3013 | 94 |
| best space opera books 2023 | 0.4 | 0.2 | 2040 | 88 |
| list of space opera authors | 1.27 | 0.9 | 6202 | 54 |
| best space opera movies | 0.2 | 0.7 | 7737 | 82 |
