| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| bus history definition and evolution | 1.83 | 0.1 | 3405 | 49 | 36 |
| bus | 1.46 | 0.2 | 2975 | 82 | 3 |
| history | 0.22 | 0.6 | 2367 | 1 | 7 |
| definition | 1.7 | 0.2 | 6194 | 10 | 10 |
| and | 0.98 | 0.7 | 6976 | 98 | 3 |
| evolution | 1.6 | 0.6 | 7785 | 75 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| bus history definition and evolution | 1.37 | 0.6 | 964 | 33 |
| bus history definition and development | 1.68 | 0.6 | 6622 | 13 |
| bus history definition and characteristics | 0.82 | 0.3 | 4910 | 40 |
| bus history definition and significance | 1.57 | 0.1 | 7853 | 1 |
| bus history definition and functions | 0.25 | 0.9 | 7271 | 63 |
| bus history definition and origin | 0.42 | 1 | 5647 | 91 |
| bus history definition and types | 1.4 | 0.7 | 5100 | 45 |
| bus history definition and examples | 1.57 | 1 | 7989 | 26 |
| bus history definition and applications | 0.44 | 0.9 | 6722 | 38 |
| bus history definition and timeline | 1.19 | 0.5 | 8206 | 45 |
| evolution of school buses | 0.99 | 0.1 | 4425 | 73 |
| the history of buses | 0.57 | 0.1 | 4133 | 73 |
| when was the bus invented | 1.86 | 0.3 | 2247 | 47 |
| what was the bus | 1.75 | 0.3 | 8532 | 65 |
| history of bus services | 0.9 | 0.5 | 2566 | 85 |
| the first invented bus | 0.23 | 0.6 | 8736 | 68 |
| when were buses created | 1.39 | 0.8 | 6651 | 97 |
| when did buses start | 0.03 | 0.1 | 4889 | 48 |
| buses or busses origin | 1.83 | 0.3 | 6303 | 44 |
