| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| grey matter vs gray matter | 1.13 | 1 | 4948 | 59 |
| grey matter or gray matter | 0.43 | 0.6 | 4221 | 18 |
| gray matter vs white matter | 1.64 | 0.3 | 6943 | 28 |
| white matter vs grey matter | 1.76 | 0.5 | 9045 | 48 |
| gray matter versus white matter | 1.3 | 0.4 | 6886 | 86 |
| white matter versus grey matter | 1.94 | 0.3 | 6916 | 39 |
| difference between grey matter white matter | 1.7 | 0.3 | 7836 | 14 |
| gray matter and white matter difference | 1.39 | 0.5 | 7177 | 79 |
| matter from the gray matter | 1.49 | 0.9 | 7233 | 99 |
| what is a grey matter | 0.09 | 0.9 | 6882 | 2 |
| what is the gray matter | 0.3 | 0.7 | 7323 | 64 |
| brain grey matter or gray matter | 1.87 | 0.3 | 9186 | 64 |
| is it grey matter or gray matter | 1.03 | 0.8 | 9905 | 38 |
| is it grey matter or gray matter in the brain | 1.71 | 0.8 | 4840 | 36 |
