| English thesaurus | |||
| |||
| IIR (DSP) | |||
|
infinite : 31 phrases in 12 subjects |
| Aviation | 1 |
| Chemistry | 4 |
| Communications | 2 |
| Earth sciences | 6 |
| Electronics | 2 |
| Hobbies and pastimes | 1 |
| Information technology | 2 |
| Mathematics | 5 |
| Metallurgy | 3 |
| Microsoft | 2 |
| Scientific | 1 |
| Transport | 2 |