| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| difficult crossword puzzles online free | 0.05 | 0.4 | 2251 | 82 |
| printable crossword puzzles difficult | 0.25 | 0.2 | 7033 | 62 |
| most difficult online crossword puzzle | 0.74 | 0.2 | 7279 | 61 |
| difficult crossword puzzle books | 0.26 | 0.2 | 4227 | 83 |
| difficult crosswords free printable | 0.65 | 0.8 | 4763 | 91 |
| crossword puzzles printable medium difficulty | 1.97 | 0.7 | 6828 | 38 |
| free printable difficult crossword puzzles | 1.48 | 0.5 | 5660 | 3 |
