| Triassic | Trias |
| Triathlon at the Summer Olympics | Triathlon vid Olympiska sommarspelen |
| tribal | stam- |
| Tribal Wars | Tribal Wars |
| tribalism | stamorganisation |
| Triballi | Triballi |
| tribe | stam |
| Tribe of Dan | Dygn |
| Tribe of Ephraim | Efraim |
| Tribe of Gad | Gad |
| Tribe of Issachar | Isaskar |
| Tribe of Judah | Juda rike |
| Tribe of Manasseh | Manasse |
| Tribe of Naphtali | Naftali |
| Tribes of Israel | Israeliter |
| tribesman | stammedlem |
| tribeswoman | stammedlem |
| trible | folkstam |
| tribology | tribologi |
| Tribonian | Tribonianus |
| tribulation | bedrövelse |
| tribunal | domstol |
| tribune | tribun |
| tributary | bidragande |
| Tributary river | Biflod |
| tribute | hyllning |
| tricameralism | trekammarsystem |
| triceps | triceps |
| Triceps brachii muscle | Triceps brachii |
| Triceratops | Triceratops |
| Trichinella | Trikiner |
| Trichome | Hår |
| Trichoptera | Nattsländor |
| trichotillomania | trikotillomani |
| trick | lura |
| Trick film | Animerad film |
| trick into | lura att |
| trick of the eye | optisk villa |
| trick or treat | bus eller godis |
| trick out of | lura av |
| Trick-taking game | Sticktagningsspel |
| trickery | bedrägeri |
| trickle | sippra |
| trickle down | sippra |
| trickster | skojare |
| tricky | kinkig |
| Triclinic crystal system | Triklint kristallsystem |
| Triclosan | Triklosan |
| tricolour | trokoloren |
| Tricorder | Tricorder |
| Tricosane | Trikosan |
| tricot | trikå |
| tricuspid valve | trikuspidalklaff |
| tricycle | trehjuling |
| Tridecane | Tridekan |
| trident | treudd |
| Tridentine | Trento |
| Tridentine Mass | Tridentinsk rit |
| Trie | Bor |
| tried | beprövad |
| Trient | Trient |
| Trientalis europaea | Skogsstjärna |
| Trier | Trier |
| Trieste | Trieste |
| Triethylamine | Trietylamin |
| trifle | struntsak |
| trifle away | kasta bort |
| trifle with | skämta med |
| trifles | bagateller |
| trifling | obetydlig |
| Trifolium hybridum | Alsikeklöver |
| Trifolium medium | Skogsklöver |
| Trifolium montanum | Backklöver |
| Trifolium pratense | Rödklöver |
| Triforce | Trekraft |
| Trifunctional hypothesis | Trefunktionalitetssystemet |
| trigeminal neuralgia | ansiktsneuralgi |
| trigger | avtryckare |
| Trigger Happy TV | Trigger Happy TV |
| trigger off | utlösa |
| trigger-happy | skjutgalen |
| Triglav | Triglav |
| Triglav National Park | Triglav |
| Trignometric function | Trigonometrisk funktion |
