| English thesaurus | |||
| |||
| OCTS (Japan) | |||
|
Ocean : 130 phrases in 19 subjects |
| American usage, not spelling | 1 |
| Astronautics | 2 |
| Aviation | 6 |
| Diplomacy | 6 |
| Earth sciences | 1 |
| Ecology | 1 |
| Economics | 9 |
| Environment | 14 |
| Finances | 3 |
| General | 30 |
| Geography | 6 |
| Information technology | 2 |
| Law | 3 |
| Military | 23 |
| Nautical | 2 |
| Oceanography & oceanology | 1 |
| Oil and gas | 13 |
| Physics | 1 |
| Technology | 6 |