| English thesaurus | |||
| |||
| AC | |||
|
Audio : 60 phrases in 15 subjects |
| Communications | 2 |
| Construction | 3 |
| Economics | 1 |
| Electric traction | 1 |
| Electronics | 3 |
| Environment | 1 |
| General | 2 |
| Hobbies and pastimes | 2 |
| Law | 1 |
| Microsoft | 31 |
| Radio | 3 |
| Sociology | 1 |
| Sound recording | 5 |
| Telegraphy | 1 |
| Video recording | 3 |