Singular and Plural in Czech | Czech Grammar

Czech nouns distinguish singular (jednotné číslo) from plural (množné číslo), the same basic split English has. The difference is in how the plural is built. English has one workhorse marker — add -s to almost anything (cat → cats, book → books) — with a short list of irregulars (children, feet, mice). Czech has nothing of the kind. There is no single plural ending. The plural form a noun takes depends on its gender, its declension paradigm, and the case it is in.

That last point is the one English speakers underestimate. In Czech, a noun is never simply "plural" — it is always plural and in some case at the same time. The form ženy is the plural of žena, yes, but it is specifically the nominative plural. The genitive plural is žen, the dative plural ženám, the instrumental plural ženami, and so on. So "the plural" of a Czech noun is not one word; it is seven words, one per case — and likewise the singular is another seven. A single noun thus has up to fourteen distinct slots, even before you count gender-specific patterns.

Don't let that scare you. You meet these forms gradually, and the one you meet first and use most is the nominative plural — the form a noun takes when it is the subject. This page builds your intuition there and then widens the lens.

The nominative plural across the genders

The nominative plural is the "default" plural learners encounter first — the form you'd put on a label, a list, or a sentence subject. Even here there is no single ending; each gender (and within masculine, each animacy class) has its own.

Gender	Singular	Nom. plural	Typical endings
Masc. inanimate	dům	domy	-y
Masc. animate	muž / syn / učitel	muži / synové / učitelé	-i, -ové, -é
Feminine (žena)	žena	ženy	-y, -e, -i
Neuter (město)	město	města	-a, -e, -í

Domy v naší ulici jsou staré.

The houses on our street are old. (dům → domy, masc. inanimate)

Ženy čekaly venku.

The women were waiting outside. (žena → ženy, feminine)

Města v Itálii jsou nádherná.

The cities in Italy are gorgeous. (město → města, neuter; note the neuter plural adjective -á)

Notice that neuter nouns take -a in the nominative plural — the same letter that marks feminine singular. This overlap of forms across different cases and genders is everywhere in Czech and is exactly why you cannot read a form in isolation; you read it together with its agreeing words and its context.

Masculine animacy changes the plural

The biggest split in the masculine plural is animacy. Masculine animate nouns (people, animals) take distinctive endings — -i, -ové, or -é — while masculine inanimate nouns take -y. This is one of the clearest places where the animate/inanimate distinction earns its keep.

Studenti přišli na přednášku.

The students came to the lecture. (student → studenti, animate -i)

Naši sousedé jsou moc milí.

Our neighbours are very nice. (soused → sousedé, animate -é)

Počítače v učebně jsou nové.

The computers in the classroom are new. (počítač → počítače, inanimate)

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For masculine animate plurals, the choice between -i, -ové, -é is partly conditioned by the stem and partly just lexical. -ové is common with one-syllable nouns and nationalities/professions (synové, Češi-vs-Čechové, profesoři/profesorové). Learn the plural together with the noun where it isn't predictable.

Every plural is also a case

This is the conceptual heart of the page. Take žena and watch the plural shift case by case — the noun is plural in all of these, but it looks different each time because the case is different:

Case (plural)	Form	Sample use
Nominative	ženy	subject: the women are…
Genitive	žen	of the women / after numbers
Dative	ženám	to the women
Accusative	ženy	direct object: I see the women
Locative	(o) ženách	about the women
Instrumental	ženami	with the women

Mluvili jsme o ženách v politice.

We talked about women in politics. (locative plural: ženách)

Šla na nákup s kolegyněmi.

She went shopping with her colleagues. (instrumental plural)

So when you "learn the plural," you are really beginning a tour through the plural half of the case system. Pages on each case fill these in — for example, the accusative plural.

The lost dual and plural-only nouns

Old Czech had a third number, the dual, for pairs. It has died out, but it left fossils — chiefly on body parts that come in twos. The hands, legs, eyes, and ears keep dual-style endings in some cases: rukama, nohama, očima, ušima (instrumental). These remnants are covered separately under dual remnants; for now just know that a few common words don't behave like ordinary plurals.

Dívala se na mě velkýma očima.

She looked at me with big eyes. (očima — old dual instrumental of oko)

Czech also has pluralia tantum — nouns that exist only in the plural, with no singular at all, even when they name a single object. The everyday ones include dveře (door), nůžky (scissors), kalhoty (trousers), brýle (glasses), and narozeniny (birthday). English shares a few of these (scissors, trousers), so the idea isn't alien — but Czech has more of them, and some are surprising, like narozeniny for a single birthday.

Zavři ty dveře, prosím.

Close the door, please. (dveře — plural-only, even for one door)

K narozeninám jsem dostal nové brýle.

For my birthday I got new glasses. (narozeniny and brýle — both plural-only)

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Because pluralia tantum have no singular, you can't say "one door" with a normal number. Czech uses special set-counting numerals (jedny dveře, dvoje nůžky) — but that's a later topic. For now, just learn these nouns as inherently plural.

Common mistakes

❌ Mám tři kniha.

Incorrect — a plural is needed (and the genitive plural after 'tři'), not the singular.

✅ Mám tři knihy.

I have three books. (kniha → knihy)

❌ Studenty přišli pozdě.

Incorrect — for masculine animate subjects you need the animate plural studenti, not the inanimate-style studenty.

✅ Studenti přišli pozdě.

The students came late.

❌ Zavři ty dveř.

Incorrect — dveře is plural-only; there's no singular 'dveř'.

✅ Zavři ty dveře.

Close the door.

❌ Mluvili jsme o ženy.

Incorrect — after 'o' (about) you need the locative plural ženách, not the nominative/accusative ženy.

✅ Mluvili jsme o ženách.

We talked about women.

Each mistake comes from importing an English habit: expecting one plural marker, treating animate and inanimate masculines alike, forcing a singular onto a plural-only noun, or ignoring the case a preposition demands. Czech asks you to track gender, paradigm, and case all at once — but you build that up one form at a time.

Key takeaways

Czech has singular and plural, but no single plural ending like English -s.
The plural form depends on gender, paradigm, and case: domy, ženy, města are all nominative plurals with different endings.
Masculine animacy changes the plural: animate -i / -ové / -é (studenti, synové) vs inanimate -y (domy).
Every plural is simultaneously in a case, so "the plural" is really six or seven distinct forms — see the accusative plural and the per-case pages.
Watch for the old dual remnants on paired body parts (očima, rukama) and for pluralia tantum (dveře, nůžky, narozeniny).

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