| tuffatrice | diver |
| tuffetto | grebe |
| tuffi | diving |
| tuffista | diver |
| tuffo | dip |
| tuffo ad angelo | swan dive |
| tufo | tuff |
| Tugela | Tugela River |
| Tugela Falls | Tugela Falls |
| Tuggen | Tuggen |
| tughra | tughra |
| Tugrik mongolo | Mongolian tögrög |
| Tugtupite | Tugtupite |
| Tuguegarao | Tuguegarao City |
| tugurio | hovel |
| TUI AG | TUI AG |
| Tuia | Queen Tuya |
| Tuireann | Tuireann |
| Tujetsch | Tujetsch |
| Tujia | Tujia |
| Tukums | Tukums District |
| Tulcea | Tulcea |
| Tulevik Viljandi | JK Viljandi Tulevik |
| Tulga | Tulga |
| tulio | thulium |
| Tulipa | Tulip |
| Tulipa sylvestris | Tulipa sylvestris |
| tulipano | tulip |
| Tullamore | Tullamore |
| tulle | tulle |
| Tullio | Thulium |
| Tullio Levi-Civita | Tullio Levi-Civita |
| Tulln | Tulln |
| Tulln an der Donau | Tulln an der Donau |
| Tullo Ostilio | Tullus Hostilius |
| Tulpa | Thoughtform |
| Tumbes | Tumbes |
| Tumblelog | Tumblelog |
| tumefatto | swollen |
| tumefazione | swelling |
| Tumidità | Pump |
| tumido | blubber |
| tumorale | tumoral |
| tumore | tumor |
| Tumore del polmone | Lung cancer |
| Tumore del retto | Colorectal cancer |
| Tumore della tiroide | Thyroid cancer |
| Tumore stromale gastrointestinale | Gastrointestinal stromal tumor |
| tumorectomia | tumorectomy |
| Tumuli lunari | Lunar dome |
| Tumulilande | Barrow-downs |
| tumulo | barrow |
| tumulti | disturbances |
| tumulto | trouble |
| Tumulto dei Ciompi | Ciompi |
| tumultuoso | noisy |
| Tunau | Tunau |
| tundra | tundra |
| tungsteno | wolfram |
| Tunguska | Tunguska event |
| Tunguska Pietrosa | Podkamennaya Tunguska River |
| tunica | tunic |
| Tunicata | Tunicate |
| Tunicella | Tunicle |
| Tuning | Car modding |
| Tuningen | Tuningen |
| Tunisair | Tunisair |
| Tunisi | Tunis |
| Tunisia | Tunisia |
| tunisino | Tunisian |
| tunnel | tunnel |
| tunnel aerodinamico | wind tunnel |
