| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| do chimps have a language | 0.3 | 0.5 | 9111 | 40 |
| can chimps learn sign language | 0.65 | 0.1 | 8074 | 15 |
| chimps sign language | 0.46 | 0.9 | 8583 | 93 |
| did jane goodall teach chimps sign language | 1.04 | 0.4 | 4054 | 5 |
| chimps and sign language | 0.3 | 0.5 | 9150 | 3 |
| chimps learning sign language | 1.41 | 0.3 | 5742 | 67 |
| can chimps use sign language | 1.86 | 0.5 | 2077 | 34 |
| language skills of chimps | 1.85 | 0.3 | 866 | 38 |
| how do chimps learn sign language | 1.25 | 0.6 | 5327 | 30 |
| can chimps really learn sign language | 0.95 | 0.4 | 3712 | 79 |
| can chimps learn sign | 1.62 | 0.1 | 8623 | 49 |
