| Termen/ Term | Nr. apariții/ No. occurrences |
| TRITON-DE-MUNTE | 6 |
| TROFEU | 88 |
| TROFEU DE MISTRET | 8 |
| TROSCOT | 23 |
| TRUNCHI DE COPAC | 1 |
| TUATARA | 2 |
| TUB DIGESTIV LA PESTELE DULGHER | 1 |
| TUBIPORA | 2 |
| TUBUL DIGESTIV LA SOPIRLA | 1 |
| TUCAN | 13 |
| TULICHINA | 6 |
| TULPINA | 1 |
| TULPINI | 1 |
| TUMOARE CHISTICA | 1 |
| TUNICAT | 38 |
| TURAC | 1 |
| TURAC AFRICAN | 3 |
| TURAC SUD/AFRICAN | 1 |
| TURACO GIGANT | 1 |
| TURICEL | 2 |
| TURITA | 13 |
| TURITA ALBA | 2 |
| TURITA MARE | 10 |
| TURTA | 10 |
| TURTURICA | 7 |
| TUTUN | 3 |
| ULI-PICIOARE-SCURTE | 1 |
| ULIGAN PESCAR | 2 |
| ULIGAN-PESCAR | 1 |
| ULIU | 1 |
| ULIU BRAZILIAN | 3 |
| ULIU CENTRAL-AMERICAN | 1 |
| ULIU CEYLONEZ | 1 |
| ULIU COLUMBIAN (SUD-AMERICAN) | 1 |
| ULIU PASARAR | 24 |
| ULIU PORUMBAR | 19 |
| ULIU SCUND | 6 |
| ULIU SUD-AMERICAN | 1 |
| ULIU SUD-ASIATIC | 1 |
| ULIU-PESCAR INDIAN | 2 |
| ULIU-SORECAR | 1 |
| ULIUL GAINILOR | 4 |
| ULM | 8 |
| UMFLATURA | 1 |
| UNGHIA CIUTEI | 1 |
| UNGHIA GAIEI | 1 |
| UNGURAS | 2 |
| UNTISOR | 9 |
| UNTU VACII | 1 |
| UNTUL VACII | 1 |