| Subject | Danish | English |
| life.sc., transp. | uren bund | foul bottom |
| chem. | uren elektrolyt | foul electrolyte |
| chem. | uren glasur | dirty glaze |
| el. | uren halvleder | impure semiconductor |
| agric. | uren høst | soiled harvest |
| chem., el. | uren oxyd | spent oxide |
| chem., el. | uren oxyd | fouled oxide |
| earth.sc., mech.eng. | uren væske | turbid liquid |
| earth.sc., mech.eng. | uren væske | cloudy liquid |
| chem. | urent antimon | singles regulus |
| chem. | urent antimon | impure antimony |
| el. | urent brændstof | dirty fuel |
| chem., mech.eng. | urent brændstof | contaminated fuel |
| chem. | urent cobaltoxid | impure cobalt oxide |
| life.sc., transp. | urent farvand | foul ground |
| industr., construct., met. | urent filt | clogged felt |
| agric. | urent foder | soiled hay |
| agric. | urent foder | silage with soil |
| industr., construct., met. | urent lag | dirt feather |
| transp. | urent sving | skid turn |
| met. | urent zink | impure zinc |