Nominative Plural and the Animate-Masculine Forms | Czech Grammar

You already know the nominative as the dictionary form and the case of the subject. The moment you move from one of something to several, you need the nominative plural — and here Czech makes a distinction English doesn't even have a name for. Most plurals are predictable from the gender, but one category, the animate masculine (men, boys, animals you treat as "he"), breaks into three competing endings and often reshapes the stem along the way. This page lays out the plural for every gender, then spends most of its time where the real difficulty is.

The plural by gender, at a glance

For three of the four noun types, the nominative plural is fairly tidy. The ending depends on whether the stem is hard (ends in a hard or neutral consonant) or soft (ends in a soft consonant like j, ř, š, ž, c, č).

Gender	Ending(s)	Singular → Plural
Masculine inanimate	-y (hard) / -e (soft)	hrad → hrady, stroj → stroje
Feminine	-y / -e / -i	žena → ženy, růže → růže, kost → kosti
Neuter	-a / -e / -í	město → města, moře → moře, stavení → stavení
Masculine animate	-i / -ové / -é	muž → muži, syn → synové, učitel → učitelé

Staré hrady nad Vltavou jsou plné turistů.

The old castles above the Vltava are full of tourists. (hrad → hrady, inanimate)

Ty stroje v hale jsou už zastaralé.

Those machines in the hall are already outdated. (stroj → stroje, soft inanimate)

Ženy z naší ulice se scházejí každý čtvrtek.

The women from our street meet up every Thursday. (žena → ženy)

Velká města mají problém se smogem.

Big cities have a problem with smog. (město → města, neuter)

Note that the feminine růže and the neuter moře and stavení show no change at all between singular and plural — the plural is told apart only by context and by the words around it. That zero-change is normal for soft stems; it is not a sign that something is missing.

The hard part: the animate masculine

The animate masculine is the category that denotes male humans and animals — muž (man), kluk (boy), pták (bird), doktor (doctor). For these, Czech offers three nominative-plural endings, and choosing between them is governed partly by rule, partly by sheer convention. Worse, one of the three endings reaches back into the word and changes the final consonant of the stem. This is the single trickiest corner of basic Czech declension, and there is no way around learning it noun by noun for the common words.

-i and the stem softening

The default ending for hard animate masculines is -i. But -i is one of the "soft" vowels in Czech, and when it lands on a hard consonant it forces that consonant to soften — the same palatalisation you meet in the locative singular and the imperative.

Change	Singular	Plural
k → c	kluk, pták, voják	kluci, ptáci, vojáci
ch → š	Čech, hoch	Češi, hoši
h → z	vrah, pstruh	vrazi, pstruzi
r → ř	doktor, bratr, profesor	doktoři, bratři, profesoři

This is where learners stumble. The plural of kluk is not kluki — the k must become c, giving kluci. The plural of Čech is Češi, not Čechi or Čechové. The consonant change is not optional decoration; it is the plural.

Naši kluci dnes vyhráli zápas tři jedna.

Our boys won the match three to one today. (kluk → kluci, k→c)

Ptáci se na jaře vracejí z jihu.

The birds come back from the south in spring. (pták → ptáci, k→c)

Češi si rádi stěžují na počasí.

Czechs love to complain about the weather. (Čech → Češi, ch→š)

Doktoři dnes v nemocnici stávkují.

The doctors at the hospital are on strike today. (doktor → doktoři, r→ř)

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When a hard animate masculine takes the plural -i, scan the last consonant of the stem: k → c, ch → š, h → z, r → ř. Saying kluki or Čechi is the classic foreign giveaway — the change to kluci, Češi is what makes you sound native.

-ové: monosyllables, kinship, and foreign words

The ending -ové is favoured by three loosely overlapping groups:

Short, one-syllable nouns: syn → synové (sons), pán → pánové (gentlemen), vůl → volové (oxen).
Kinship and "respect" terms: otec → otcové (fathers), děd → dědové (grandfathers).
Foreign and learned words, especially those in -og, -onom, -log: biolog → biologové, ekonom → ekonomové.

Many of these also tolerate the plain -i: you will hear both profesoři and profesorové, both páni and pánové. Neither is wrong; -ové simply sounds a touch more formal or respectful, which is why it is the standard for addressing a group: Pánové! (Gentlemen!).

Moji synové už chodí oba do školy.

My sons both go to school now. (syn → synové)

Pánové, posaďte se prosím.

Gentlemen, please take a seat. (pán → pánové, used in address)

-é: nouns in -tel, -an, and -ista

The third ending, -é, clusters on a few recognisable shapes: agent nouns in -tel (učitel → učitelé, přítel → přátelé — the latter with an irregular stem), nationality and inhabitant nouns in -an (občan → občané, Američan → Američané), and the international -ista type (turista → turisté, hokejista → hokejisté).

Učitelé mají v pondělí poradu.

The teachers have a meeting on Monday. (učitel → učitelé)

Čeští hokejisté zase porazili Kanadu.

The Czech hockey players beat Canada again. (hokejista → hokejisté)

Naši sousedé jsou moc milí.

Our neighbours are very nice. (soused → sousedé)

Inanimate masculine never takes -i

Here is the distinction that ties everything together. An inanimate masculine noun — a castle, a machine, a bridge — takes -y (hard) or -e (soft), and it never softens its stem. Only the animates take -i with the consonant change. So the very same final -k behaves in two ways depending on animacy:

Word	Animacy	Plural
kluk (boy)	animate	kluci (k → c)
rohlík (bread roll)	inanimate	rohlíky (no change)
voják (soldier)	animate	vojáci (k → c)
vlak (train)	inanimate	vlaky (no change)

K snídani jsme koupili čtyři rohlíky.

We bought four bread rolls for breakfast. (rohlík → rohlíky, inanimate, no softening)

So kluci but rohlíky; vojáci but vlaky. The grammatical concept of animacy — which decides so much in the accusative — is what splits these two plurals apart. If you can tell whether a noun is animate, you can predict whether the -i with softening is even an option.

Common Mistakes

❌ Naši kluki vyhráli zápas.

Incorrect — the animate plural of kluk softens k to c.

✅ Naši kluci vyhráli zápas.

Our boys won the match. (kluk → kluci)

❌ Ti muži jsou Čechi.

Incorrect — Čech takes -i with ch→š, giving Češi, not Čechi or Čechové.

✅ Ti muži jsou Češi.

Those men are Czechs. (Čech → Češi)

❌ V nemocnici stávkují doktory.

Incorrect — that is the inanimate-style -y; an animate masculine needs -i with r→ř.

✅ V nemocnici stávkují doktoři.

The doctors at the hospital are on strike. (doktor → doktoři)

❌ Na nádraží stály dva staré vlaci.

Incorrect — vlak is inanimate, so its plural is vlaky with no softening.

✅ Na nádraží stály staré vlaky.

Old trains stood at the station. (vlak → vlaky)

❌ Přišli všichni studenté.

Incorrect — student takes the plain -i (studenti), not -é.

✅ Přišli všichni studenti.

All the students came. (student → studenti)

Key Takeaways

Nominative plural by gender: masculine inanimate -y/-e (hrady, stroje), feminine -y/-e/-i (ženy, růže, kosti), neuter -a/-e/-í (města, moře, stavení).
The animate masculine splits three ways: -i (muži, studenti), -ové (synové, pánové), -é (učitelé, občané).
The ending -i softens the stem: k→c (kluci), ch→š (Češi), h→z (vrazi), r→ř (doktoři) — forgetting this is the most common slip.
-ové is favoured by monosyllables, kinship terms, and foreign words (synové, biologové); for many words -i and -ové both occur (páni ~ pánové).
Inanimate masculines take -y/-e with no softening (vlaky, rohlíky) — only animates trigger the -i change.

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