| English thesaurus | |||
| |||
| STEP | |||
|
Shell : 173 phrases in 28 subjects |
| Agriculture | 20 |
| Business | 1 |
| Chemistry | 22 |
| Communications | 1 |
| Earth sciences | 11 |
| Economics | 1 |
| Electric motors | 1 |
| Electronics | 4 |
| Environment | 5 |
| Fish farming pisciculture | 8 |
| Food industry | 1 |
| General | 7 |
| Industry | 7 |
| Information technology | 2 |
| Law | 9 |
| Life sciences | 11 |
| Lighting other than cinema | 2 |
| Mechanic engineering | 9 |
| Medical | 1 |
| Metallurgy | 20 |
| Microsoft | 3 |
| Mineral products | 2 |
| Natural resourses and wildlife conservation | 3 |
| Natural sciences | 6 |
| Patents | 5 |
| Physical sciences | 1 |
| Technology | 2 |
| Transport | 8 |