| Theotokos | Theotokos |
| Theotokos of Vladimir | Moeder Gods van Vladimir |
| Theramenes | Theramenes |
| Therapeutae | Therapeutae |
| therapeutic | therapeutisch |
| Therapeutic index | Therapeutische breedte |
| Therapeutic use of Neuro-linguistic programming | NLP voor therapeutisch gebruik |
| therapeutics | therapeutiek |
| therapist | therapeut |
| Therapsida | Therapsida |
| therapy | therapie |
| Therasia | Thirasia |
| Theravada | Theravada |
| there | daar |
| there are | er zijn |
| there be | liggen |
| there is | er is |
| There Is Nothing Left to Lose | There Is Nothing Left To Lose |
| there is nothing new under the sun | er is niets nieuws onder de zon |
| there's | er is |
| there's more than one way to skin a cat | er zijn meerdere wegen om je doel te bereiken |
| there's no accounting for taste | over smaak valt niet te twisten |
| there's no fool like an old fool | hoe ouder hoe zotter |
| there's no place like home | oost west, thuis best |
| thereabout | ongeveer |
| thereabouts | ongeveer |
| thereafter | daarna |
| thereagainst | daartegen |
| thereat | daarnaar |
| thereby | daarmee |
| therefore | toch |
| therefrom | daaruit |
| therein | daarin |
| thereinafter | daaropvolgens |
| thereof | daarvan |
| thereon | daarop |
| Theres | Theres |
| Theresa Kunegunda Sobieska | Theresia Kunigunde Sobieska |
| Therese Grankvist | Therese Grankvist |
| Therese Neumann | Therese Neumann |
| Therese of Saxe-Hildburghausen | Theresia van Saksen-Hildburghausen |
| Theresienfeld | Theresienfeld |
| Theresienstadt concentration camp | Concentratiekamp Theresienstadt |
| thereto | daarbij |
| theretofore | daartevoren |
| thereunder | daaronder |
| thereunto | daarheen |
| thereupon | vervolgens |
| therewith | daarmee |
| therewithal | daarmede |
| Theria | Theriiformes |
| Therizinosaur | Therizinosauria |
| Therizinosaurus | Therizinosaurus |
| thermal | thermisch |
| Thermal camera | Fotocamera |
| Thermal decomposition | Thermolyse |
| Thermal Design Power | Thermal Design Power |
| Thermal element | Thermokoppel |
| Thermal imaging device | Infraroodcamera |
| Thermal transfer | Warmteoverdracht |
| Thermalbad Wiesenbad | Thermalbad Wiesenbad |
| Thermidor | Thermidor |
| thermionic tube | elektronenbuis |
| thermistor | thermistor |
| thermite | thermiet |
| Thermo-couple | Thermokoppel |
| Thermo-luminescence | Thermoluminescentie |
| Thermobaric weapon | Thermobarisch wapen |
