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| English thesaurus | |||
| |||
| U (ISDN) | |||
| U: 26 phrases in 12 subjects |
| Antennas and waveguides | 1 |
| Fish farming pisciculture | 3 |
| International Monetary Fund | 2 |
| Lighting other than cinema | 2 |
| Mathematics | 5 |
| Medical | 5 |
| Microsoft | 2 |
| Power lines | 1 |
| Radio | 1 |
| Statistics | 1 |
| Technology | 1 |
| United Nations | 2 |