| Telefonbuch | phone book telephone directory telephone book directory white pages |
| telefonisch | telephonic |
| Telefonist | telephone operator |
| Telefonsex | phone sex |
| Telefon | telephone phone |
| Telefonat | telephone call telephone conversation |
| Telefonie | telephony |
| Telefonmast | utility pole |
| Totenbuch | Book of the Dead |
| Nebenbuch | subledger |
| Telefonistin | telephone operator |
| Telefonkarte | phonecard |
| Telefonstreich | prank call |
| Telefonhörer | handset telephone receiver |
| Telefonnummer | telephone number |
| Telefonzelle | telephone booth telephone box |
| telefonieren | telephone |
| teleologisch | teleological |
| eufonisch | euphonic |
| Taschenbuch | paperback pocketbook |