 |
| Subject | Welsh | Romansh |
| mamm. | llygoden bengron | mieursfuigna (Arvicola terrestris) |
| mamm. | llygoden fawr /llygoden ffrengig | ratun (Rattus (rattus, norvegicus)) |
| mamm. | llygoden fwsg | undatra (Ondatra zibethicus) |
|
| Subject | Welsh | Romansh |
| mamm. | llygoden bengron | mieursfuigna (Arvicola terrestris) |
| mamm. | llygoden fawr /llygoden ffrengig | ratun (Rattus (rattus, norvegicus)) |
| mamm. | llygoden fwsg | undatra (Ondatra zibethicus) |