| Telefonsex | phone sex |
| Telefonie | telephony |
| Telefonist | telephone operator |
| Telefon | telephone phone |
| Telefonat | telephone call telephone conversation |
| telefonisch | telephonic |
| Telefonistin | telephone operator |
| Telekinese | psychokinesis |
| Telefax | fax |
| Telefonbuch | phone book telephone directory telephone book directory white pages |
| Telefonhörer | handset telephone receiver |
| Telefonmast | utility pole |
| Telefonzelle | telephone booth telephone box |
| telefonieren | telephone |
| Telamon | telamon |
| Telefonkarte | phonecard |
| Telefonstreich | prank call |
| Telephon | telephone |
| Telescopie | telescopy |
| Televoting | televoting |