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| English thesaurus | |||
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| RCS (PLANET code based future system) | |||
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Reply : 117 phrases in 14 subjects |
| Aviation | 10 |
| Business | 1 |
| Business style | 2 |
| Construction | 1 |
| Diplomacy | 17 |
| Economics | 5 |
| General | 46 |
| ICAO | 2 |
| Information technology | 5 |
| Law | 21 |
| Microsoft | 4 |
| Military | 1 |
| Patents | 1 |
| Records management | 1 |