| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| change over time in history | 1.96 | 0.3 | 5108 | 96 |
| does history change over time | 0.05 | 0.1 | 1467 | 36 |
| change over time history definition | 1.65 | 0.1 | 1184 | 41 |
| how history changes over time | 1.33 | 0.7 | 8352 | 73 |
| how has history changed over time | 1.03 | 0.8 | 340 | 92 |
| how has time changed over time | 1.39 | 0.9 | 1138 | 28 |
| what changed over time | 0.52 | 0.2 | 3151 | 83 |
| change over time is | 0.04 | 0.2 | 2290 | 8 |
| people change over time | 0.27 | 0.4 | 9723 | 27 |
| how definitions change over time | 1.97 | 0.5 | 7619 | 50 |
| change over time describes | 0.8 | 0.6 | 3102 | 32 |
| what changes over time | 0.67 | 1 | 3429 | 73 |
