| English thesaurus | |||
| |||
| PADS (Slate Corporation) | |||
|
Pen : 230 phrases in 29 subjects |
| Agriculture | 62 |
| Animal husbandry | 14 |
| Commerce | 1 |
| Communications | 3 |
| Cultural studies | 1 |
| Data processing | 1 |
| Earth sciences | 2 |
| Electronics | 2 |
| Fish farming pisciculture | 5 |
| Fishery fishing industry | 2 |
| General | 63 |
| Health care | 4 |
| Hobbies and pastimes | 2 |
| Ichthyology | 5 |
| Industry | 13 |
| Information technology | 19 |
| Labor organization | 1 |
| Life sciences | 3 |
| Measuring instruments | 5 |
| Microsoft | 5 |
| Municipal planning | 1 |
| Natural sciences | 1 |
| Patents | 1 |
| Radio | 1 |
| Scientific | 1 |
| Social science | 2 |
| Sound recording | 2 |
| Technology | 4 |
| Transport | 4 |