| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what era was the 1800s called | 1.99 | 0.7 | 8470 | 6 |
| what era was the 1600s called | 0.38 | 0.1 | 6153 | 58 |
| 1800s era called | 0.98 | 0.4 | 6095 | 52 |
| what was the era of 1800s called in the u.s | 0.21 | 0.8 | 5603 | 24 |
| what era is the 1800s called | 0.46 | 0.7 | 9328 | 28 |
| what era was the late 1800s | 0.51 | 0.2 | 5629 | 94 |
| what century was the 1800s called | 0.81 | 0.3 | 7790 | 51 |
| what was the 1800s called | 1.33 | 0.8 | 6859 | 67 |
| what was the late 1800s called | 0.08 | 0.1 | 7251 | 31 |
| what period was the 1800s | 1.55 | 0.2 | 7478 | 48 |
| what were periods called in the 1800s | 1.81 | 0.7 | 5448 | 22 |
| what time period was the 1800s | 0.67 | 1 | 6258 | 86 |
| what era is 1800 | 1.29 | 0.8 | 136 | 90 |
