| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| steam locomotive year invented | 0.89 | 0.3 | 8665 | 70 | 30 |
| steam | 1.13 | 0.8 | 2181 | 38 | 5 |
| locomotive | 1.18 | 0.5 | 1956 | 35 | 10 |
| year | 0.6 | 1 | 3606 | 21 | 4 |
| invented | 0.21 | 0.4 | 7889 | 99 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| steam locomotive year invented | 1.04 | 0.9 | 1372 | 40 |
| what year was the steam locomotive invented | 0.79 | 0.3 | 7457 | 22 |
