Why does the noun Reinheit have the article die?

Nouns ending in -heit are always feminine. Look at the bolded -heit in the noun above — that suffix is the giveaway.

Examples

die Freiheit (freedom), die Schönheit (beauty), die Krankheit (illness), die Wahrheit (truth), die Sicherheit (safety), die Gesundheit (health)

Declension table for German noun Reinheit

How it changes across the four cases.

CaseDefiniteIndefiniteNegative
Nominativdie Reinheiteine Reinheitkeine Reinheit
Akkusativdie Reinheiteine Reinheitkeine Reinheit
Dativder Reinheiteiner Reinheitkeiner Reinheit
Genitivder Reinheiteiner Reinheitkeiner Reinheit

Examples in context

Real sentences using Reinheit in different cases.

CaseDefiniteIndefiniteNegative
Nominativ
Die hoche Reinheit ist wichtig.The high purity is important.
Eine gute Reinheit ist selten.A good purity is rare.
Keine Reinheit bleibt ewig.No purity lasts forever.
Akkusativ
Ich schätze die hoche Reinheit sehr.I value the high purity very much.
Wir suchen eine gute Reinheit immer.We always look for a good purity.
Er findet keine Reinheit mehr.He finds no purity anymore.
Dativ
Ich vertraue der hochen Reinheit gern.I gladly trust the high purity.
Mit einer guten Reinheit arbeitet man gern.One likes to work with a good purity.
Sie gibt keiner Reinheit eine Chance.She gives no purity a chance.
Genitiv
Der Wert der hochen Reinheit ist klar.The value of the high purity is clear.
Die Bedeutung einer guten Reinheit ist groß.The importance of a good purity is great.
Der Sinn keiner Reinheit ist bekannt.The meaning of no purity is known.

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Frequently asked questions

Everything you might wonder about der, die, das — and the Der Artikel app.

Is it der, die, or das Reinheit?

It is die Reinheit. In German, every noun has a grammatical gender, and Reinheit is feminine. You should always learn the article together with the noun to ensure your German grammar is correct.

What is the plural of die Reinheit?

The noun Reinheit is typically used in the singular form (Singularetantum) or has a plural form identical to the singular.

What does die Reinheit mean in English?

The German word die Reinheit translates to “purity” in English.

How do you decline die Reinheit?

Like all German nouns, Reinheit changes its article depending on the case. In the singular, the forms are:
  • Nominativ: die Reinheit
  • Akkusativ: die Reinheit
  • Dativ: der Reinheit
  • Genitiv: der Reinheit

These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.