keyword
Monthly search volume and cost-per-click data for "history of the train" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| when were trains invented | 4,400 | $0 | 20/20 |
| when was the first train invented | 3,600 | $0 | 20/20 |
| when was the train invented | 3,600 | $0 | 20/20 |
| history of train | 1,900 | $2.44 | 20/20 |
| history train | 1,900 | $2.44 | 20/20 |
| train origin | 1,900 | $2.44 | 20/20 |
| trains history | 1,900 | $2.44 | 20/20 |
| history of the trains | 1,600 | $0.34 | 20/20 |
| history of trains | 1,600 | $0.34 | 20/20 |
| railways history | 1,600 | $0.34 | 20/20 |
Similar volume + high overlap = same search intent. You can target either keyword.
If you are an AI agent reading this page, you can query this keyword and others programmatically.
Full API spec: llms.txt