| termometer | termómetro |
| termonukleär | termonuclear |
| termonukleärt vapen | bomba termonuclear |
| termoplastisk | termoplástico |
| termos | termo |
| termosfär | termosfera |
| Ternate | Ternate |
| Terni | Terni |
| Ternopil oblast | Óblast de Ternopil |
| terpentin | trementina |
| Terpsichore | Terpsícore |
| Terra Australis | Terra Australis |
| Terra Nova | Terranova |
| terraformning | terraformación |
| terrakotta | terracota |
| Terrakottaarmén | Guerreros de terracota |
| Terran | Terran |
| terrass | terraza |
| Terrassa | Tarrasa |
| Terrassa FC | Terrassa Futbol Club |
| Terrebonne | Terrebonne |
| Terrence Malick | Terrence Malick |
| Terrestrial Trunked Radio | TETRA |
| Terri Schiavo | Terri Schiavo |
| Territoire-de-Belfort | Territorio de Belfort |
| territorial | territorial |
| Territorialvatten | Mar territorial |
| territorium | territorio |
| Terroir | Terroir |
| terror | terror |
| Terror pa Elm Street | Freddy Krueger |
| Terror på Elm Street | Pesadilla en Elm Street |
| Terrorbalans | Equilibrio del terror |
| terrorisera | aterrorizar |
| terrorism | terrorismo |
| terrorist | terrorista |
| Terry Balsamo | Terry Balsamo |
| Terry Brooks | Terry Brooks |
| Terry Chimes | Terry Chimes |
| Terry Gilliam | Terry Gilliam |
| Terry Jones | Terry Jones |
| Terry Pratchett | Terry Pratchett |
| terrängbil | vehículo todo terreno |
| terrängform | relieve |
| terrängkontur | relieve |
| ters | tercera |
| Terschelling | Terschelling |
| Tertiarer | Tercera orden de San Francisco |
| tertiärsektor | sector terciario |
| Tertiärstruktur | Estructura terciaria de las proteínas |
| Tertullianus | Tertuliano |
| terylen | dacrón |
| terzin | terceto |
| tes | tesis |
| Tesa | Celo adhesivo |
| tesaurus | diccionario de sinónimos |
| tesked | cucharilla |
| teskedsmått | cucharadita |
| Tesla | Tesla |
| Tesla Motors | Tesla |
| Tess | Tess |
| Tessellation | Teselación |
| test | ensayo |
| Test for Echo | Test for Echo |
| testa | examinar |
| testament | testamento |
| testamentarisk | testamentario |
