| Duce | Il Duce |
| Ducht | thwart |
| Ducken | cringe |
| ducken | duck |
| Sauce | sauce |
| Duckface | duckface |
| heiduck | hajduk |
| in nuce | in a nutshell |
| Nucellus | nucellus |
| Duckmäuser | sneak |
| Lame Duck | lame duck |
| Puducherry | Puducherry |
| Würzsauce | condiment |
| Daffy Duck | Daffy Duck |
| sich ducken | duck |
| Chilisauce | hot sauce |
| Fischsauce | fish sauce |
| Duck-Typing | duck typing |
| Duckmäuserin | sneak |
| duckmäuserig | sneaky |