| English thesaurus | |||
| |||
| AMCS | |||
|
Alert : 215 phrases in 16 subjects |
| American usage, not spelling | 2 |
| Astronautics | 9 |
| Aviation | 32 |
| Communications | 1 |
| Computers | 1 |
| Ecology | 1 |
| General | 8 |
| Information technology | 4 |
| Metrology | 1 |
| Microsoft | 11 |
| Military | 137 |
| Navigation | 2 |
| Road traffic | 2 |
| Space | 1 |
| Technology | 2 |
| United States | 1 |