| English thesaurus | |||
| |||
| GCA | |||
|
Ground Control : 24 phrases in 11 subjects |
| Acridology | 1 |
| Aviation | 1 |
| Coal | 1 |
| Commerce | 2 |
| Communications | 2 |
| General | 1 |
| Measuring instruments | 1 |
| Military | 1 |
| Remote sensing | 1 |
| Technology | 7 |
| Transport | 6 |
| English thesaurus | |||
| |||
| GCA | |||
|
Ground Control : 24 phrases in 11 subjects |
| Acridology | 1 |
| Aviation | 1 |
| Coal | 1 |
| Commerce | 2 |
| Communications | 2 |
| General | 1 |
| Measuring instruments | 1 |
| Military | 1 |
| Remote sensing | 1 |
| Technology | 7 |
| Transport | 6 |