| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| greatest space opera novels | 1.69 | 1 | 4388 | 63 | 27 |
| greatest | 0.94 | 0.4 | 7963 | 88 | 8 |
| space | 0.32 | 0.7 | 497 | 60 | 5 |
| opera | 0.59 | 0.4 | 2145 | 85 | 5 |
| novels | 0.32 | 0.9 | 760 | 99 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| greatest space opera novels | 1.62 | 0.9 | 7812 | 18 |
| greatest space opera science fiction novels | 1.58 | 0.9 | 1500 | 64 |
| latest space opera novels | 1.18 | 0.6 | 9576 | 1 |
| best space opera book series | 1.75 | 0.7 | 8062 | 42 |
| best space opera series books | 1.63 | 0.9 | 9974 | 78 |
| good space opera books | 1.06 | 0.2 | 7809 | 8 |
| top space opera book series | 0.31 | 0.8 | 3110 | 7 |
| best space opera science fiction books | 0.45 | 0.6 | 7012 | 41 |
| best space opera series | 2 | 0.4 | 6862 | 53 |
| best new space opera books | 1.64 | 0.2 | 2698 | 97 |
| best sci fi space opera novels | 1.34 | 1 | 9794 | 29 |
| best space opera science fiction | 0.29 | 0.7 | 9919 | 18 |
| amazon space opera books | 0.19 | 1 | 497 | 9 |
