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| English thesaurus | |||
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| SIC | |||
| Spelling: 74 phrases in 16 subjects |
| Agriculture | 4 |
| American usage, not spelling | 1 |
| Artificial intelligence | 8 |
| Aviation | 1 |
| Communications | 1 |
| Computers | 2 |
| Education | 3 |
| General | 35 |
| Information technology | 2 |
| Law | 1 |
| Medical | 3 |
| Microsoft | 4 |
| Polygraphy | 2 |
| Programming | 3 |
| Technology | 3 |
| Telecommunications | 1 |