| English thesaurus | |||
| |||
| TDA | |||
|
Train : 530 phrases in 29 subjects |
| American usage, not spelling | 16 |
| Ammunition | 2 |
| Artillery | 1 |
| Astronautics | 1 |
| Aviation | 3 |
| Communications | 2 |
| Computers | 1 |
| Construction | 5 |
| Diplomacy | 2 |
| Ecology | 1 |
| Economics | 8 |
| Education | 1 |
| Environment | 7 |
| General | 251 |
| Informal | 4 |
| Information technology | 4 |
| Law | 8 |
| Logistics | 1 |
| Military | 124 |
| Music | 1 |
| Nautical | 1 |
| Oil and gas | 4 |
| Physics | 1 |
| Rail transport | 18 |
| Road construction | 2 |
| Seismology | 3 |
| Slang | 2 |
| Technology | 23 |
| Transport | 33 |