| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| 16th amendment history | 0.42 | 0.4 | 3446 | 35 | 22 |
| 16th | 0.34 | 0.7 | 6721 | 55 | 4 |
| amendment | 0.64 | 0.3 | 3270 | 9 | 9 |
| history | 1.13 | 0.7 | 7556 | 18 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| 16th amendment history | 0.83 | 0.1 | 7748 | 8 |
| 16th amendment history definition | 0.79 | 1 | 8874 | 48 |
| 16th amendment definition us history | 0.75 | 0.6 | 4764 | 30 |
| 16th amendment us history | 0.85 | 0.8 | 6757 | 80 |
| 16th amendment definition us history quizlet | 1.91 | 0.3 | 3644 | 45 |
| 16th amendment history.com | 0.94 | 0.4 | 1776 | 96 |
