| English thesaurus | |||
| |||
| STEP | |||
|
Shell : 279 phrases in 32 subjects |
| Agriculture | 29 |
| Business | 1 |
| Chemistry | 19 |
| Coal | 5 |
| Communications | 1 |
| Construction | 8 |
| Earth sciences | 13 |
| Economics | 1 |
| Electric motors | 2 |
| Electronics | 12 |
| Environment | 7 |
| Fish farming pisciculture | 13 |
| General | 24 |
| Hobbies and pastimes | 6 |
| Industry | 8 |
| Information technology | 1 |
| Law | 7 |
| Life sciences | 11 |
| Lighting other than cinema | 2 |
| Materials science | 1 |
| Mechanic engineering | 19 |
| Medical | 5 |
| Metallurgy | 31 |
| Microsoft | 9 |
| Mineral products | 1 |
| Natural resourses and wildlife conservation | 6 |
| Natural sciences | 13 |
| Patents | 5 |
| Physical sciences | 1 |
| Technology | 1 |
| Transformers | 2 |
| Transport | 15 |