| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| who was the person who invented homework | 1.86 | 0.7 | 2324 | 92 |
| person who invented homework | 0.66 | 0.9 | 9754 | 88 |
| when did the person who invented homework die | 1.28 | 0.7 | 3258 | 59 |
| how did the person who invented homework die | 1.92 | 0.6 | 8623 | 41 |
| who is the person who invented homework | 0.54 | 0.4 | 9101 | 90 |
| who is the person that invented homework | 0.18 | 1 | 1476 | 76 |
| who was the person that invented homework | 1.99 | 0.4 | 119 | 74 |
| which person invented homework | 0.55 | 1 | 3918 | 99 |
