| Part of speech | common noun |
|---|---|
| Hyphenation | tu·nel·o |
| Singular | Plural | |
|---|---|---|
| Nominative | tunelo | tuneloj |
| Accusative | tunelon | tunelojn |
| Catalan | túnel |
|---|---|
| Czech | tunel |
| Dutch | tunnel |
| English | tunnel |
| Faeroese | berghol; smoga |
| Finnish | tunneli |
| French | tunnel |
| German | Tunnel |
| Papiamento | tùnel |
| Portuguese | túnel |
| Saterland Frisian | Tunnel |
| Spanish | túnel |
| Swedish | tunnel |
| Welsh | ceuffordd; twnnel |