| English thesaurus | |||
| |||
| FF | |||
|
fission : 48 phrases in 14 subjects |
| Aviation | 8 |
| Biology | 1 |
| Chemistry | 7 |
| Construction | 1 |
| Diplomacy | 2 |
| Ecology | 1 |
| Environment | 4 |
| General | 6 |
| Military | 12 |
| Nanotechnology | 1 |
| Nuclear and fusion power | 2 |
| Nuclear physics | 1 |
| Physics | 1 |
| Technology | 1 |