die Beantwortung
answering
The process of giving an answer to a question, letter, email, or inquiry.
Die Beantwortung meiner E-Mail hat leider eine Woche gedauert.
The answering of my email unfortunately took a week.

answering
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answering
The process of giving an answer to a question, letter, email, or inquiry.
Die Beantwortung meiner E-Mail hat leider eine Woche gedauert.
The answering of my email unfortunately took a week.

The noun 'die Beantwortung' (answering) is derived directly from the verb 'beantworten' (to answer). The ending '-ung' turns many verbs into nouns that describe the process or result of the action.
Das Beantworten von Kundenanfragen ist seine Hauptaufgabe.
Answering customer inquiries is his main task.
'Beantwortung' (answering) is very often used with a genitive object to say what is being answered. Alternatively, a 'von' (of) construction can also be used.
Die Beantwortung der Frage war sehr kompliziert.
Answering the question was very complicated.
The word 'Beantwortung' (answering) belongs more to written language and formal contexts. It sounds more official and is often used in business or administrative communication.
Wir bitten um die schriftliche Beantwortung bis zum Monatsende.
We request a written answer by the end of the month.
answer
'die Antwort' and 'die Beantwortung' both have to do with a reaction to a question, message, or inquiry. 'die Antwort' usually means the content, that is, what is said or written. 'die Beantwortung' is more about the process of someone handling and answering a question or inquiry. That is why 'Beantwortung' sounds more formal and often fits in offices, administration, or exams. They can be confused because both are nouns. As a simple guide: an 'Antwort' can be short or long; a 'Beantwortung' can be quick, slow, or not yet done.

Die Beantwortung der Anfrage dauert wegen vieler Details etwas länger.
Answering the inquiry is taking a little longer because of many details.
Herr Richter liest die Antwort auf seine E-Mail noch einmal genau.
Mr. Richter reads the answer to his email carefully once more.