| English thesaurus | |||
| |||
| DCS | |||
|
Diamond : 137 phrases in 25 subjects |
| Aerodynamics | 1 |
| American usage, not spelling | 3 |
| Astronautics | 1 |
| Card games | 2 |
| Computers | 1 |
| Construction | 4 |
| Entomology | 1 |
| Gemmology | 2 |
| General | 32 |
| Historical | 1 |
| Law | 4 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Microelectronics | 12 |
| Military | 5 |
| Mineralogy | 1 |
| Mining | 1 |
| Natural sciences | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 34 |
| Ornithology | 1 |
| Proverb | 18 |
| Rail transport | 3 |
| Technology | 4 |
| Transport | 1 |