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English thesaurus | |||
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AA |
Abbreviated : 20 phrases in 10 subjects |
Airports and air traffic control | 3 |
American usage, not spelling | 2 |
Aviation | 5 |
Computers | 1 |
Economy | 1 |
General | 2 |
Human rights activism | 2 |
Information technology | 2 |
Mathematics | 1 |
Military | 1 |