| Tridecan | tridecane |
| Tribeca | Tribeca |
| Trimaran | trimaran |
| Tristan | Tristan |
| triefen | drip |
| trielen | dribble drivel slaver |
| triezen | pester |
| treideln | tow hail |
| Sidecar | Sidecar |
| Decan | decane |
| Dodecan | dodecane |
| Undecan | undecane |
| Triade | triad |
| Tribock | trebuchet |
| Trich | trichotillomania |
| Tricho | trichotillomania |
| Tricks | hanky-panky |
| Triduum | triduum |
| Trient | Trento |
| Triest | Trieste |