Domaći
| ondulator | undulator | |
| one | they | |
| one | thirty | |
| one | those | |
| one | twenty | |
| onečišćenja | contamination | |
| onečišćenja | pollution | |
| onečišćenja zraka | air pollution | |
| onečišćenje | contamination | |
| onečišćenje | fouling | |
| onečišćenje | pollutants | |
| onečišćenje | pollution | |
| Onečišćenje okoline od motornih vozila | Envirnomental polluton from motor vehicles | |
| onečišćenje zraka | air pollution | |
| onečišćenost | pollution |
