Telefon

Etymology
From French téléphone (telephone).

Derived words

 * fon (n), shorter term for telefone.
 * telefonar (n), callcenter worker.
 * telefondom (n), call center.
 * telefonin (n), cellphone or mobile phone.
 * telefonok (adj), telephonic.
 * telefonom (n), telephony.
 * telefonoz (v), to make a phone call.