| thraldom | träldom |
| thrall | träl |
| thralldom | träldom |
| Thranduil | Thranduil |
| Thrasamund | Trasamund |
| thrash | slå |
| thrash about | plaska |
| thrash around | plaska |
| thrashing | slående |
| thread | trä |
| thread off | avgänga |
| threadbare | banal |
| threads | trådar |
| threat | hot |
| threaten | hota |
| threaten with | hota med |
| threatened | hotad |
| threatening | hotande |
| Threatening look | Rynka pannan |
| threateningly | hotande |
| three | tre |
| Three Cheers for Sweet Revenge | Three Cheers for Sweet Revenge |
| Three Colours | Trei culori |
| Three Crowns | Tre kronor |
| Three Days Grace | Three Days Grace |
| Three domain system | Domän |
| Three Gorges | De tre ravinerna |
| Three Gorges Dam | De tre ravinernas damm |
| three hundred | trehundra |
| Three Investigators | Tre deckare |
| Three Kingdoms | De tre kungadömena |
| Three Kingdoms of Korea | Koreas tre kungariken |
| Three Kings | Three Kings |
| Three Laws of Robotics | Robotikens lagar |
| Three letter acronym | TLA |
| Three Little Pigs | Tre små grisar |
| Three Men in a Boat | Tre män i en båt |
| Three Mile Island accident | Harrisburgolyckan |
| Three Mile Island Nuclear Generating Station | Harrisburgolyckan |
| Three Musketeers | De tre musketörerna |
| three of a kind | triss |
| Three pillars of the European Union | EUs tre pelare |
| three quarters | tre fjärdedels |
| Three Represents | De tre representationerna |
| Three Rings | Narya |
| Three spot gourami | Blå gurami |
| Three Stooges | The Three Stooges |
| three times | tre gånger |
| Three to Tango | Three to Tango |
| Three Wise Men | Tre vise männen |
| Three-age system | Treperiodsystem |
| three-cornered | triangulär |
| three-dimensional | tredimensionell |
| Three-domain system | Domän |
| three-engined | tremotorig |
| three-headed | trehövdad |
| three-legged | trebent |
| Three-phase AC | Trefassystem |
| Three-phase alternating current | Trefassystem |
| Three-phase electric power | Trefassystem |
| three-piece | tredelad |
| three-quarter | trekvarts- |
| three-speed gear | växel med tre hastigheter |
| three-wheeler | trehjuling |
| threesome | trio |
| threnody | elegi |
| threonine | treonin |
| thresh | tröska |
| thresher | tröskverk |
| threshing floor | loggolv |
| threshing machine | tröskverk |
| threshold | tröskel |
| threshold of pain | smärttröskel |
| Threskiornis | Threskiornis |
| threw | kastade |
| thrib | dunka |
| thrift | sparsamhet |
| thrift shop | second hand-butik |
| thrifty | sparsam |
| thrill | bäva |
| thrill-seeker | spänningssökare |
| thrilled | glad |
| thriller | roman |
| Thriller - en grym film | Thriller - en grym film |
| thrilling | elektriserande |
| thrills | raffel |
| thrips | trips |
| thrive | ha framgång |
| thriving | blomstrande |
| throat | svalg |
| Throat singing | Strupsång |
| throaty | guttural |
| throb | klappa |
| throe | häftig |
| thrombocyte | trombocyt |
| thrombosis | blodpropp |
| thrombus | blodpropp |
| throne | tron |
| throng | mängd |
| throttle | kväva |
| through | avslutad |
| Through a Glass Darkly | Såsom i en spegel |
| through ball | genomskärare |
| Through the Looking-Glass | Alice i Spegellandet |
| through traffic | genomgående trafik |
| through-composed | genomkomponerad |
| throughout | över |
| throughput | utförandehastighet |
| throughway | motorväg |
| throw | slänga |
| throw away | kasta bort |
| throw back | kasta tillbaka |
| throw down the gauntlet | kasta handsken |
| throw in | låta följa med på köpet |
| throw in the towel | kasta yxan i sjön |
| throw into confusion | upplösa |
