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Guessing Plurals

You can't always be sure — but you can guess right most of the time.

Maskulin Feminin Neutrum Plural

Can you predict a plural?

German plurals look random, but they are far more predictable than learners fear. The trick is a two-step check: first the gender, then the ending. These rules won't be right 100% of the time, so you should still learn the plural with each new word — but they let you make a confident guess when you meet a word for the first time.

This page is the companion to Plural Formation, which lists the five endings themselves.

Step 1 — start with the gender

Each gender has a strong default. Feminine is by far the most reliable — roughly 90% of feminine nouns simply take -(e)n.
GenderUsual pluralExample
Feminin-(e)ndie Frau → die Frauen · die Uhr → die Uhren
Maskulin-e (often + umlaut)der Tisch → die Tische · der Stuhl → die Stühle
Neutrum-e or -erdas Jahr → die Jahre · das Kind → die Kinder
die Frau → die Frauen · die Blume → die Blumen
the women · the flowers
Feminin is the safe bet: almost always -(e)n. If you know a noun is feminin, guess -(e)n and you'll usually be right.

Step 2 — the ending gives it away

The ending of a noun is the strongest clue of all. These suffix rules are close to 100% reliable.
Ends in…PluralExample
-e (feminin)-ndie Lampe → die Lampen
-in-innendie Lehrerin → die Lehrerinnen
-ung, -heit, -keit, -schaft-endie Zeitung → die Zeitungen · die Freiheit → die Freiheiten
-ion, -tät, -ik, -ur-endie Nation → die Nationen · die Universität → die Universitäten
-er, -en, -el (m/n)— (no ending)der Lehrer → die Lehrer · der Onkel → die Onkel
-chen, -lein— (no change)das Mädchen → die Mädchen
-um (Latin)-en (drop -um)das Museum → die Museen · das Datum → die Daten
a vowel / a foreign word-sdas Auto → die Autos · das Baby → die Babys
die Zeitung, die Freiheit, die Möglichkeit, die Nation → …-en
newspapers, freedoms, possibilities, nations
This is the best gift in the language: nouns ending in -ung, -heit, -keit, -schaft, -ion, -tät are all feminin and all take -en. One ending tells you both the gender and the plural.

No ending — the "invisible" plurals

Masculine and neuter nouns ending in -er, -en, -el usually don't change at all in the plural — only the article (die) tells you it's plural. The same is true for the little diminutives in -chen and -lein, which are always neuter.
der Lehrer → die Lehrer · das Fenster → die Fenster · der Wagen → die Wagen
the teachers · the windows · the cars
Same word, plural article: der Lehrer → die Lehrer. Watch the article to know it's plural.
das Mädchen → die Mädchen · das Brötchen → die Brötchen
the girls · the bread rolls
Diminutives in -chen / -lein never change — and they are always neutrum (das Mädchen), whatever they mean.

The umlaut trick

When a plural takes an umlaut, only the vowels a, o, u change (a → ä, o → ö, u → ü); au becomes äu. Vowels like e or i never take an umlaut.

Umlauts are common in two places: masculine -e plurals and neuter -er plurals. A small set of the no-ending nouns umlaut too (der Vater → die Väter).
der Stuhl → die Stühle · der Sohn → die Söhne · der Ball → die Bälle
chairs · sons · balls
Many one-syllable masculine nouns take ¨-e: u → ü, o → ö, a → ä.
das Buch → die Bücher · das Haus → die Häuser
books · houses
Neutrum -er plurals almost always umlaut. Note au → äu: Haus → Häuser.

The exceptions worth memorizing

A handful of very common feminin one-syllable nouns break the "-(e)n" rule and take ¨-e instead. They're frequent, so learn them as a small set:

die Hand → die Hände · die Stadt → die Städte · die Nacht → die Nächte · die Maus → die Mäuse · die Kuh → die Kühe · die Wurst → die Würste

And two feminine "-er" words just take an umlaut, no ending: die Mutter → die Mütter · die Tochter → die Töchter.
The 30-second guessing routine

1. Feminin? → probably -(e)n (die Frau → Frauen).
2. Ends in -ung / -heit / -keit / -schaft / -ion / -tät? → -en, and it's feminin.
3. Masculine, one syllable? → often ¨-e (der Stuhl → Stühle).
4. Ends in -er / -en / -el / -chen? → usually no change (der Lehrer → Lehrer).
5. Foreign word or ends in a vowel? → -s (das Auto → Autos).