| Subject | French | English |
| entomol. | camponote ronge-bois | wood ant (Camponotus ligniperda) |
| entomol. | cossus ronge-bois | goat moth (Cossus cossus) |
| entomol. | cossus ronge-bois | common goat moth (Cossus cossus) |
| med. | dartre rongeante | serpigo |
| gen. | donner un os à ronger à | give somebody something to keep him/her quiet (quelqu'un) |
| med. | douleur rongeante | gnawing pain |
| industr., construct., chem. | impression au rongeant | extract printing |
| industr., construct., chem. | impression au rongeant | discharge printing |
| industr., construct., chem. | impression en rongeant coloré | colored discharge |
| industr., construct., chem. | impression rongeante | extract printing |
| industr., construct., chem. | impression rongeante | discharge printing |
| reptil. | kinixys rongée | forest hinged tortoise (Kinixys erosa) |
| reptil. | kinixys rongée | Schweigger's hinge-backed tortoise (Kinixys erosa) |
| reptil. | kinixys rongée | West African hinge-backed tortoise (Kinixys erosa) |
| reptil. | kinixys rongée | common tortoise (Kinixys erosa) |
| gen. | le mal qui ronge la société | the evil that eats away at society |
| met. | ronger par frottement | to abrade |
| coal., met. | ronger par frottement | to abrade |
| coal., met. | ronger par frottement | abrade |
| met. | ronger par le feu | burning through |
| prop.&figur. | ronger son frein | champ at the bit |
| hobby, agric. | ronger son frein | champ |
| gen. | ronger un | gnaw at a bone (os) |
| gen. | se ronger les ongles | bite one's nails |
| gen. | se ronger les sangs | fret |
| gen. | se ronger les sangs | be worried stiff |
| gen. | se ronger les sangs | worry oneself sick |