| Headword | Part of Speech | Update Type |
| blue cough | n | New Entry |
| blue hole | n | Revised Sense, New Sense |
| crawly-bottom | n | Revised Entry |
| creel | v | New Sense, Revised Sense |
| cripple | n1 | Revised Entry |
| cripple bush | n | New Entry |
| crocus sack | n | Revised Entry |
| croker sack | n | Revised Entry |