| |||
| Fehlersignal n | |||
|
erratic : 38 phrases in 19 subjects |
| Business | 1 |
| Communications | 1 |
| Construction | 4 |
| Economics | 5 |
| Electronics | 1 |
| Entomology | 1 |
| Finances | 2 |
| General | 10 |
| Industry | 1 |
| Information technology | 1 |
| Medical | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
| Optics branch of physics | 2 |
| Physics | 2 |
| Statistics | 1 |
| Technology | 1 |