| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| permission letter sample | 1.79 | 0.3 | 6667 | 86 | 24 |
| permission | 1.18 | 0.3 | 7957 | 24 | 10 |
| letter | 0.61 | 0.7 | 8721 | 30 | 6 |
| sample | 1.93 | 0.6 | 1129 | 2 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| permission letter sample | 1.78 | 0.5 | 9924 | 17 |
| permission letter sample for research | 1.39 | 0.8 | 6541 | 70 |
| permission letter sample for school | 1.18 | 0.7 | 9603 | 46 |
| sample authorization letter giving permission | 1.57 | 0.6 | 4045 | 98 |
| sample formal letter asking for permission | 1.28 | 0.6 | 5332 | 68 |
| drone permission letter sample | 0.2 | 0.3 | 5552 | 37 |
| permission to conduct research letter sample | 1.48 | 0.9 | 1363 | 58 |
| sample permission letter for research study | 0.72 | 0.3 | 6656 | 31 |
| sample letter for research site permission | 1.19 | 0.1 | 852 | 18 |
| letter for permission to conduct research | 1.81 | 0.5 | 7761 | 51 |
| letter of permission research study | 0.85 | 1 | 9227 | 23 |
| permission letter to conduct a research study | 0.83 | 0.6 | 6681 | 80 |
| permission letter for research survey | 1.08 | 0.9 | 9587 | 19 |
| research permission letter to respondents | 1.33 | 0.8 | 1575 | 18 |
