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| English thesaurus | |||
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| ARP | |||
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Active : 579 phrases in 45 subjects |
| Accounting | 6 |
| Airports and air traffic control | 1 |
| American usage, not spelling | 2 |
| Archiving | 2 |
| Astronautics | 10 |
| Automobiles | 4 |
| Aviation | 35 |
| Brazil | 1 |
| Business style | 5 |
| Chemistry | 13 |
| Communications | 2 |
| Computers | 8 |
| Construction | 1 |
| Diplomacy | 9 |
| Ecology | 5 |
| Economics | 21 |
| Electronics | 8 |
| Environment | 5 |
| Finances | 33 |
| Fishery fishing industry | 2 |
| General | 37 |
| Grammar | 2 |
| Industry | 1 |
| Information security and data protection | 5 |
| Information technology | 19 |
| International relations | 2 |
| Law | 56 |
| Literature | 1 |
| Metallurgy | 2 |
| Microelectronics | 19 |
| Microsoft | 50 |
| Military | 129 |
| Missiles | 1 |
| NATO | 1 |
| Oil and gas | 10 |
| Physics | 2 |
| Proverb | 8 |
| Psychology | 3 |
| Robotics | 4 |
| Soil science | 24 |
| Space | 4 |
| Technology | 18 |
| Transport | 2 |
| Travel | 5 |
| United States | 1 |