 |
| ultra: 89 phrases in 21 subjects |
| Agriculture | 11 |
| Chemistry | 6 |
| Communications | 11 |
| Cultural studies | 1 |
| Earth sciences | 8 |
| Economy | 1 |
| Electronics | 8 |
| Environment | 4 |
| General | 7 |
| Immigration and citizenship | 1 |
| Industry | 1 |
| Information technology | 3 |
| Materials science | 1 |
| Medical | 5 |
| Metallurgy | 1 |
| Microsoft | 3 |
| Natural sciences | 7 |
| Physical sciences | 2 |
| Statistics | 1 |
| Technology | 4 |
| Transport | 3 |