 |
| co: 512 phrases in 43 subjects |
| Abbreviation | 392 |
| Agriculture | 1 |
| Airports and air traffic control | 1 |
| Astronautics | 1 |
| Aviation | 1 |
| Biochemistry | 1 |
| British usage, not spelling | 1 |
| Business | 2 |
| Cartography | 1 |
| Chemistry | 5 |
| Cinematography | 1 |
| Clinical trial | 1 |
| Communications | 1 |
| Computers | 1 |
| Ecology | 2 |
| Education | 2 |
| Electronics | 1 |
| Energy industry | 9 |
| General | 10 |
| Immunology | 1 |
| Informal | 1 |
| Information technology | 3 |
| International trade | 1 |
| Internet | 1 |
| Law | 11 |
| Legal entity types business legal structures | 1 |
| Meteorology | 2 |
| Military | 10 |
| NASA | 2 |
| Non-governmental organizations | 1 |
| Oil and gas | 2 |
| Oil processing plants | 5 |
| Physiology | 1 |
| Rail transport | 6 |
| Stock Exchange | 1 |
| Technology | 14 |
| Trademark | 5 |
| Transport | 1 |
| United Nations | 2 |
| United States | 1 |
| University | 2 |
| Veterinary medicine | 3 |
| Winemaking | 1 |