| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| invisible ink and other stories | 0.33 | 0.8 | 2398 | 17 |
| yes and know invisible ink books | 0.85 | 0.6 | 532 | 11 |
| invisible ink books for kids | 1.45 | 0.4 | 2514 | 36 |
| how to write invisible ink | 1.77 | 0.8 | 6669 | 10 |
| what is invisible ink | 0.71 | 0.6 | 7025 | 89 |
| invisible ink activity book | 0.89 | 0.1 | 7306 | 43 |
| science behind invisible ink | 0.49 | 0.4 | 3034 | 38 |
| history of invisible ink | 0.25 | 0.4 | 6840 | 81 |
| invisible ink games books | 0.25 | 0.6 | 4997 | 9 |
| text with invisible ink | 1.8 | 0.2 | 8171 | 48 |
| invisible ink coloring book | 1.91 | 0.9 | 340 | 64 |
| invisible ink revealed by water | 0.92 | 0.7 | 802 | 69 |
| invisible ink experiment explanation | 1.83 | 1 | 586 | 4 |
| invisible ink investigatory project | 1.43 | 0.9 | 421 | 82 |
| where to buy invisible ink | 1.57 | 0.5 | 3021 | 49 |
| how to read invisible ink | 1.48 | 0.6 | 5504 | 10 |
| invisible ink at home | 1.43 | 0.6 | 1473 | 75 |
