| thy | tvůj |
| Thyestes | Thyestés |
| Thylacine | Vakovlk |
| Thylacinidae | Vakovlkovití |
| Thylacinus | Vakovlk |
| thyme | tymián |
| thymic | tymický |
| Thymine | Thymin |
| thymol | thymol |
| thymus | brzlík |
| Thyreophora | Thyreophora |
| thyristor | tyristor |
| thyrocalcitonin | tyreokalcitonin |
| thyroglobulin | tyreoglobulin |
| thyroid | štítná žláza |
| thyroid gland | štítná žláza |
| thyroiditis | tyroiditida |
| thyrotoxicosis | tyreotoxikóza |
| thyroxin | tyroxin |
| thyroxine | tyroxin |
| Thysanura | Šupinušky |
| thyself | tebe |
| Théoden | Théoden |
| Théodore Géricault | Théodore Géricault |
| Théophile Gautier | Théophile Gautier |
| TIA | Thanks In Advance |
| Tiachiv | Ťačiv |
| Tiago Monteiro | Tiago Monteiro |
| Tian Shan | Ťan-šan |
| Tiananmen | Brána Nebeského klidu |
| Tiananmen Square | Náměstí Nebeského klidu |
| Tiananmen Square protests | Studentské protesty na náměstí Nebeského klidu |
| Tianjin | Tchien-ťin |
| tiara | tiára |
| Tiasmyn River | Ťasmyn |
| TIATLG | Truly |
| Tiber | Tibera |
| Tiberias | Tiberias |
| Tiberius | Tiberius |
| Tiberius I | Tiberius |
| Tiberius Nero | Tiberius |
| Tibesti Mountains | Tibesti |
| Tibet | Tibet |
| Tibet Autonomous Region | Tibetská autonomní oblast |
| Tibetan | tibetský |
| Tibetan antelope | Čiru |
| Tibetan Buddhism | Tibetský buddhismus |
| Tibetan language | Tibetština |
| Tibetan Mastiff | tibetský mastif |
| Tibetan script | Tibetština |
| tibia | holeň |
| Tibullus | Albius Tibullus |
| tic | tik |
| tic-tac-toe | piškvorky |
| Tichondrius | Tichondrius |
| Ticino | Ticino |
| Ticino River | Ticino |
| tick | roztoč |
| tick off | zatrhnout |
| tick over | chod na prázdno |
| Tick-borne meningoencephalitis | Klíšťová encefalitida |
| ticked | tikal |
| ticker | srdce |
| ticket | lístek |
| ticket agent | prodavač jízdenek |
