| |||
| interstice; interval | |||
| gap; range; space; spacing | |||
| interregnum; parenthesis | |||
| intermission | |||
| distance | |||
| period | |||
| |||
| space; interval | |||
|
interval : 135 phrases in 20 subjects |
| Aviation | 1 |
| Chemistry | 24 |
| Construction | 1 |
| Economics | 2 |
| General | 1 |
| Geophysics | 1 |
| Information technology | 2 |
| Law | 7 |
| Medical | 1 |
| Microsoft | 7 |
| Music | 1 |
| Oil / petroleum | 13 |
| Optics branch of physics | 3 |
| Photography | 1 |
| Road traffic | 21 |
| Road works | 21 |
| Seismology | 1 |
| Spectroscopy | 1 |
| Statistics | 2 |
| Technology | 24 |