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German Plural Rules: How Plural Nouns Are Formed

English forms almost all plurals by adding -s. German has five patterns, and which one a noun takes is not fully predictable. That sounds worse than it is: the patterns correlate strongly with gender and with word endings, so most nouns can be placed with reasonable confidence.

The five patterns

German plurals are formed by adding -e, -er, -(e)n, -s, or nothing at all. Several of these can also change the stem vowel to an umlaut.

The -(e)n plural is the one to learn first, because it covers the overwhelming majority of feminine nouns: die Frau → die Frauen, die Lampe → die Lampen. If a noun is feminine, -n or -en is the safe first guess.

The -e plural is common with masculine nouns (der Tisch → die Tische), often with an umlaut (der Stuhl → die Stühle). The -er plural belongs mostly to short neuter nouns and nearly always umlauts where it can: das Buch → die Bücher.

The -s plural and the invisible plural

The -s plural looks familiar to English speakers and is genuinely used, but it is restricted: mostly loanwords and abbreviations. Das Auto → die Autos, das Handy → die Handys. It is not a default you can fall back on.

Some nouns add no ending at all, which makes the plural invisible in the noun itself. Masculine and neuter nouns ending in -er, -en or -el usually behave this way: der Lehrer → die Lehrer. Here the article is doing all the work — der becomes die — which is another reason to store nouns with their article.

The dative plural adds -n

One rule applies across every pattern: in the dative plural, the noun takes an extra -n unless it already ends in -n or -s. Die Kinder becomes mit den Kindern. Die Freunde becomes mit den Freunden.

This is easy to state and easy to forget under exam pressure, and it is visible in writing, so it is worth drilling deliberately.

Examples

• Zwei Frauen sprechen im Büro.Two women are speaking in the office.
• Die Kinder lesen neue Bücher.The children are reading new books.

Mistakes to avoid

The two recurring problems are applying the English -s ending to German nouns that do not take it, and dropping the extra -n that the dative plural requires.

• ✗ zwei Autoen✓ zwei Autos
• ✗ der Kinder✓ die Kinder

How this is tested in the exam

Plurals show up wherever you describe more than one of something, which in practice means the writing tasks and the speaking cards. In Schreiben an incorrect plural is a straightforward accuracy error. In Hören the plural can be the entire point of a question — how many tickets, how many nights, how many people — and the ending is often the only thing distinguishing one answer from another.

Frequently asked questions

How many plural forms does German have?

Five: -e, -er, -(e)n, -s, and no ending at all. Several of them can also add an umlaut to the stem vowel.

What is the most common German plural ending?

-(e)n is the most common overall, largely because nearly all feminine nouns use it. If a noun is feminine, -n or -en is the best first guess.

When does German use the -s plural?

Mostly with loanwords and abbreviations, such as Autos, Handys and Hotels. It is not a general fallback for nouns you are unsure about.

Why does German add -n in the dative plural?

It is a fixed rule of the dative plural: the noun takes an extra -n unless it already ends in -n or -s. Mit den Kindern, not mit den Kinder.