| Part of speech | common noun |
|---|---|
| Gender | masculine |
| Singular | Plural | |
|---|---|---|
| Nominative | Pneumothorax | |
| Genitive | Pneumothoraxes | |
| Dative | Pneumothorax | |
| Accusative | Pneumothorax |
| Catalan | pneumotòrax |
|---|---|
| Czech | pneumotorax |
| Dutch | klaplong; pneumothorax |
| English | pneumothorax; collapsed lung |
| Esperanto | pneŭmotorako |
| Finnish | ilmarinta |
| French | pneumothorax |
| Italian | pneumotorace |
| Malay | pneumotoraks |
| Norwegian | pneumotoraks |
| Portuguese | pneumotórax |
| Russian | пневмоторакс |
| Spanish | neumotórax |
| Swedish | lungkollaps |
| Thai | โพรงเยื่อหุ้มปอดมีอากาศ |
| Turkish | pnömotoraks |