| Subject | English | German |
| chem. | benzoapyrene | Benzoapyren |
| chem. | benzo-a-pyrene | Benzpyren |
| law, environ., chem. | benzo-a-pyrene | Benzo-a-Pyren |
| chem. | benzo-a-pyrene | Benzopyren |
| chem. | benzo-a-pyrene | Benzoapyren |
| environ., chem. | indeno 1,2,3-cd pyrene | Indeno1,2,3-cdpyren |
| environ., chem. | indeno 1,2,3-cd pyrene | Inden-1,2,3-cd-Pyren |