drift : 45 phrases in 17 subjects |
Acridology | 7 |
Corporate governance | 1 |
Demography | 3 |
Economy | 6 |
Environment | 2 |
Fishery fishing industry | 2 |
Forestry | 2 |
Genetics | 4 |
International Monetary Fund | 8 |
Medical | 1 |
Oil / petroleum | 1 |
Pest control | 1 |
Piezoelectric crystals | 1 |
Soil science | 1 |
Telecommunications | 1 |
United Nations | 1 |
Vacuum tubes | 3 |