 |
| buoyancy: 61 phrases in 16 subjects |
| Agriculture | 3 |
| Airships | 1 |
| Chemistry | 1 |
| Coal | 1 |
| Drilling | 1 |
| Earth sciences | 6 |
| Finances | 1 |
| General | 3 |
| Hobbies and pastimes | 2 |
| International Monetary Fund | 11 |
| Mechanic engineering | 4 |
| Meteorology | 15 |
| Scuba diving | 2 |
| Technology | 3 |
| Transport | 6 |
| Wood processing | 1 |