| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| formaldehyde toxicity | 1.37 | 0.4 | 5354 | 71 | 21 |
| formaldehyde | 0.57 | 0.9 | 9550 | 12 | 12 |
| toxicity | 0.98 | 0.3 | 9201 | 67 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| formaldehyde toxicity | 1.83 | 0.8 | 8437 | 17 |
| formaldehyde toxicity level | 1.29 | 0.9 | 207 | 97 |
| formaldehyde toxicity symptoms | 1.2 | 0.5 | 3589 | 61 |
| formaldehyde mechanism of toxicity | 0.86 | 0.8 | 4458 | 3 |
| phenol formaldehyde toxicity | 0.84 | 1 | 5769 | 1 |
| formaldehyde resin toxicity | 0.62 | 0.7 | 5532 | 28 |
