| Telefonauskunft | directory assistance |
| Telefonalphabet | phonetic spelling alphabet |
| Telefonist | telephone operator |
| Telefonistin | telephone operator |
| Telefonverkauf | telemarketing |
| Telefonat | telephone call telephone conversation |
| Telefonleitung | telephone line |
| Telefonmast | utility pole |
| Telefonabstimmung | televoting |
| Telefonkarte | phonecard |
| Telefonsex | phone sex |
| Telefonverkäufer | telemarketer |
| Telefonbuch | phone book telephone directory telephone book directory white pages |
| Telefongespräch | telephone conversation |
| Telefonnummer | telephone number |
| telefonieren | telephone |
| telefonisch | telephonic |
| Auskunft | information information desk |
| Seemannskunst | seamanship |
| Teufelskunst | deviltry |