 |
| |||
| age; circle; period | |||
| era; interval; interval of time; season; space; span; stage; term; time | |||
| cycle | |||
| stretch | |||
| tract | |||
| |||
| course | |||
| period; pitch | |||
| period: 237 phrases in 20 subjects |
| Automobiles | 1 |
| Biology | 1 |
| British English spelling | 1 |
| Computers | 2 |
| General | 8 |
| Geology | 7 |
| Informal | 1 |
| Italian | 1 |
| Law | 144 |
| Mechanic engineering | 1 |
| Medical | 2 |
| Microsoft | 8 |
| Military | 1 |
| Optics branch of physics | 3 |
| Photography | 14 |
| Road traffic | 11 |
| Road works | 2 |
| Slang | 6 |
| Technology | 9 |
| Television | 14 |