| letter of invitation | Aufforderungsschreiben |
| letter of marque | Kaperbrief |
| letter of moral intent , LOMI | Patronatserklärung |
| letter of motivation | Motivationsbrief |
| letter of notification | Benachrichtigungsschreiben |
| letter of protest | Protestbrief |
| letter of recommendation | Empfehlungsschreiben |
| letter of reference | Empfehlungsschreiben |
| letter of referral | Überweisung |
| letter of refusal | Absage |
| letter of regret | Ablehnung |
| letter of representation | Vollständigkeitserklärung |
| letter of reprimand | Verwarnung |
| letter of request | Bittschreiben |
| letter of resignation | Rücktrittserklärung |
| letter of safe conduct | Geleitbrief |
| letter of sympathy | Beileidsbekundung |
| letter of thanks | Danksagung |
| letter opener | Brieföffner |
| letter openers | Brieföffner |
| letter opening device | Brieföffnergerät |
| letter paper | Briefpapier |
| letter pigeon | Brieftaube |
| letter press paper | Hochdruckpapier |
| letter print quality | Schönschrift |
| letter quality | Briefqualität |
| letter quality printer | Korrespondenzdrucker |
| letter rate | Briefporto |
| letter rogatory | internationales Rechtshilfeersuchen |
| letter scale | Briefwaage |
| letter scales | Briefwaage |
| Letter sent by certified mail | Einschreibebrief |
| letter sequence | Buchstabenfolge |
| letter service | Briefdienst |
| letter shift | Buchstabenumschaltung |
| letter slot | Briefkastenschlitz |
| letter slots | Briefkastenschlitze |
| letter spacing travel | Wagenvorlauf |
| letter symbol | Kürzel |
| letter symbols | Kurzzeichen |
| letter telegrams | Brieftelegramme |
| Letter to His Father | Brief an den Vater |
| Letter to Lord Liszt | Brief an Lord Liszt |
| Letter to the editor | Leserbrief |
| letter to the front | Feldpostbrief |
| Letter to the Romans | Römerbrief |
| letter tray | Ablage |
| letter type | Schriftart |
| letter worship | Buchstabenglaube |
| letter writer | Briefschreiber |
