 |
| English thesaurus | |||
| |||
| NAC | |||
| National Advisory Council: 14 phrases in 6 subjects |
| American usage, not spelling | 1 |
| Ecology | 1 |
| General | 3 |
| Medical | 3 |
| Military | 5 |
| Technology | 1 |
|
| English thesaurus | |||
| |||
| NAC | |||
| National Advisory Council: 14 phrases in 6 subjects |
| American usage, not spelling | 1 |
| Ecology | 1 |
| General | 3 |
| Medical | 3 |
| Military | 5 |
| Technology | 1 |