| Keyword | CPC | PCC | Volume | Length string | Score |
|---|---|---|---|---|---|
| rental cars portland airport national | 1.62 | 0.4 | 3332 | 37 | 67 |
| national car rental portland airport | 0.06 | 1 | 2871 | 36 | 31 |
| car rental portland oregon airport national | 0.77 | 0.8 | 195 | 43 | 65 |
| car rental portland maine airport national | 1.32 | 0.9 | 5195 | 42 | 23 |
| national car rental portland me airport | 1.44 | 0.7 | 3369 | 39 | 22 |
| national car rental portland airport phone | 1.87 | 0.3 | 7968 | 42 | 87 |
| national car rental portland or airport | 1.58 | 0.2 | 8427 | 39 | 38 |
