| Thuban | Thuban |
| Thucydides | Tucidide |
| thud | tonfo |
| thud into | cadere con un tonfo in |
| Thueyts | Thueyts |
| Thufir Hawat | Thufir Hawat |
| thug | criminale |
| Thug Behram | Thug Behram |
| thuggery | violenza |
| thuggish | violento |
| Thuja | Thuja |
| Thuja occidentalis | Thuja occidentalis |
| Thule | Thule |
| Thule Air Base | Base aerea Thule |
| Thule Island | Thule |
| Thule people | Thule |
| Thule Society | Società Thule |
| thulium | tulio |
| thumb | pollice |
| thumb through | sfogliare |
| Thumb wheel | Rotella zigrinata |
| Thumb-print | Impronta digitale |
| Thumbelina | Mignolina |
| thumbnail | unghia del pollice |
| thumbs | pollice |
| thumbscrew | serrapollici |
| thumbsnack | puntina da disegno |
| Thumbsucker | Thumbsucker - Il succhiapollice |
| thumbtack | puntina |
| thump | battere |
| thumping | enorme |
| Thun | Thun |
| Thunbergia | Thunbergia |
| thunder | tuono |
| thunder and lightning | tempesta |
| Thunder Bay | La baia del tuono |
| Thunder in Paradise | Thunder in Paradise |
| Thunderbirds | Thunderbirds |
| thunderbolt | lampo |
| thunderclap | rombo di tuono |
| thundercloud | nube temporalesca |
| Thunderheart | Ibrido |
| thundering | tonante |
| thunderous | tonante |
| Thunderstick | Thunderstick |
| thunderstorm | temporale |
| thunderstruck | sbigottito |
| thundery | temporalesco |
| Thundorf in Unterfranken | Thundorf in Unterfranken |
| Thungyai Naresuan Wildlife Sanctuary | Santuario della vita selvatica di Thungyai |
| Thunnus | Thunnus |
| Thunstetten | Thunstetten |
| Thur | Giovedì |
| Thurgau | Canton Turgovia |
| Thurgovia | Turgovia |
| Thuries | Thuries |
| Thurii | Thurii |
| Thuringia | Turingia |
| Thuringian Forest | Selva di Turingia |
| Thurmansbang | Thurmansbang |
| Thurnau | Thurnau |
| Thurrock | Thurrock |
| Thurs | Giovedì |
| Thursday | giovedì |
| Thursdays | Giovedì |
| thus | di conseguenza |
| thus and so | tal dei tali |
| thus far | finora |
| Thus Spake Zarathustra | Also sprach Zarathustra |
| Thus Spoke Zarathustra | Così parlò Zarathustra |
| Thusis | Thusis |
| Thutmose I | Thutmose I |
| Thutmose II | Thutmose II |
| Thutmose III | Thutmose III |
| Thutmose IV | Thutmose IV |
| Thuès | Thuès |
| thwack | schiaffo |
| thwart | impedire |
| thwarted | frastornare |
| thwarting | atto dello sventare |
| thwarts | sventato |
| THX | THX |
| thy | tuo |
| Thyatira | Thyatira |
| Thyborøn-Harboøre | Thyborøn-Harboøre |
| Thyestes | Tieste |
| Thyholm municipality | Thyholm |
| Thylacine | Thylacinus cynocephalus |
| Thylacinidae | Thylacinus cynocephalus |
| Thylacinus | Thylacinidae |
| Thylacoleo | Thylacoleo |
| Thylacosmilus | Thylacosmilus |
| thylakoid | tilacoide |
| thyme | timo |
| Thymine | Timina |
| thymosin | timosina |
| thymus | timo |
| Thyone | Tione |
| Thyra | Thyra |
| Thyreophora | Thyreophora |
| Thyrnau | Thyrnau |
