| Keyword | Avg CPC* |
| Crackles | 0.06$ |
| Crescenzi | 0.06$ |
| Cristiano | 0.06$ |
| Criticality | 0.06$ |
| Criticized | 0.06$ |
| Cronauer | 0.06$ |
| Cronyism | 0.06$ |
| Cropp | 0.06$ |
| Crowding | 0.06$ |
| Cruzado | 0.06$ |
| Cuadra | 0.06$ |
| Cugini | 0.06$ |
| Culkin | 0.06$ |
| Cultivar | 0.06$ |
| Cunha | 0.06$ |
| Curnutte | 0.06$ |
| Curricular | 0.06$ |
| Curti | 0.06$ |
| Curto | 0.06$ |
| Curzio | 0.06$ |
| Cyclohexane | 0.06$ |
| Czarnecki | 0.06$ |
| Czerniak | 0.06$ |
| Cosmotheism | 0.05$ |
| Costochondral | 0.05$ |
| Costophrenic | 0.05$ |
| Countable | 0.05$ |
| Couto | 0.05$ |
| Covariant | 0.05$ |
| Crase | 0.05$ |
| Craxi | 0.05$ |
| Cristiani | 0.05$ |
| Crossno | 0.05$ |
| Crudele | 0.05$ |
| Cuadrado | 0.05$ |
| Culpa | 0.05$ |
| Custodio | 0.05$ |
| Cytolysis | 0.05$ |
| Czajkowski | 0.05$ |
| Czapla | 0.05$ |
| Cogito | 0.05$ |
| Cognomen | 0.05$ |
| Coincidentally | 0.05$ |
| Colas | 0.05$ |
| Coleoptile | 0.05$ |
| Colino | 0.05$ |
| Random keywords | |
| Reflective Tape | 1.73$ |
| bracing | 0.41$ |
| lotter | 0.89$ |
| verhey | 0.12$ |
| sailings | 3.05$ |
| backen | 0.46$ |
| clodhopper | 0.13$ |
| spongiform | 0.09$ |