| Teleskop | telescope |
| Teleskoplader | telehandler telescopic handler |
| Telephon | telephone |
| Telescopie | telescopy |
| Telefon | telephone phone |
| Seleukos | Seleucus |
| Demoskop | pollster public opinion researcher |
| Episkop | episcope |
| Koloskop | colonoscope |
| Pedoskop | pedoscope |
| Periskop | periscope |
| Telamon | telamon |
| Telepath | telepath |
| Television | television |
| Telefax | fax |
| Telege | telega |
| Telegraf | telegraph |
| Telemark | telemark telemark turn Telemark |
| Teletext | teletext |
| Telex | telex |