Russian Cases Explained: All 6, With Practice

Cases are where most learners stall - but they follow a system you can actually see. This guide breaks down all six Russian cases: what each one means, when to use it, and exactly which ending a noun takes, with clean tables and a practice drill right on the page.

What is a case, and why are there six?

English shows who-does-what mostly through word order: "the dog bites the man" means something different from "the man bites the dog." Russian does it differently. It changes the ending of the noun to mark its job in the sentence, and once the ending carries that information, word order becomes flexible.

A "case" is just one of those jobs. Russian has six: nominative (the subject), accusative (the direct object), genitive (possession / "of" / absence), dative (the indirect object / "to"), instrumental ("with" / "by means of"), and prepositional (location / "about", always after a preposition).

So when you see столом instead of стол, the -ом ending is telling you "this table is the instrument - something is done with it." Learn to read the ending and the sentence unlocks. That is the whole game.

The six cases at a glance

Here is the big picture before the details. Each case answers a question and does a core job. Skim this table now, then come back to it as a cheat sheet - the example column shows the same word (стол, "table") in each case so you can see the ending change.

Шесть падежей кратко
Падеж	Вопрос	Основная функция	Пример (стол)
Именительный	кто? / что?	Подлежащее; словарная форма	стол (stol)
Родительный	кого? / чего?	Принадлежность, «из/от», отсутствие, количество	стола (stola)
Винительный	кого? / что?	Прямое дополнение; движение с в/на	стол (stol)
Дательный	кому? / чему?	Косвенное дополнение; «кому»	столу (stolu)
Творительный	кем? / чем?	«Чем / посредством»; профессия	столом (stolom)
Предложный	о ком? / где?	Место и тема («о»)	(о) столе ((o) stole)

Gender and hard vs. soft stems decide the ending

Two things decide which ending a noun takes: its gender (masculine, feminine or neuter) and whether its stem is "hard" or "soft." You read gender straight off the dictionary form - most consonant-ending nouns are masculine, most -а/-я nouns are feminine, most -о/-е nouns are neuter (a few -ь nouns go either way and must be learned).

"Hard" vs. "soft" is about the last sound of the stem. Hard stems end in a hard consonant (стол, книга, окно); soft stems end in -ь, -й or a soft vowel pair (конь, неделя, море). Soft stems simply swap the hard ending for its soft twin: -а becomes -я, -о becomes -е, -ом becomes -ем, and so on. It is the same case doing the same job - just spelled to match a soft stem.

One spelling rule smooths a lot of this: after the letters к, г, х, ж, ч, ш, щ you write -и instead of -ы (so книга -> книги, not книгы). Keep it in your back pocket; it explains most of the endings that look "wrong" at first.

The singular endings, case by case

Below is the regular singular endings reference for each case, split into hard-stem and soft-stem columns for masculine, feminine and neuter nouns. These cover the vast majority of nouns. Irregular nouns and the plural have their own patterns - the notes flag the most common exceptions, and each case has its own dedicated page if you want to go deeper.

Окончания: Именительный (единственное число)

Окончания: Именительный (единственное число)
Род	Твёрдая основа	Мягкая основа	Примечание / пример
Мужской	-(консонант)	-ь, -й	стол, конь, чай - the dictionary form
Женский	-а	-я, -ь	книга, неделя, ночь
Средний	-о	-е, -ё	окно, море

Окончания: Родительный (единственное число)

Окончания: Родительный (единственное число)
Род	Твёрдая основа	Мягкая основа	Примечание / пример
Мужской	-а	-я	стола, коня
Женский	-ы	-и	after к г х ж ч ш щ use -и (книги)
Средний	-а	-я	окна, моря

Окончания: Винительный (единственное число)

Окончания: Винительный (единственное число)
Род	Твёрдая основа	Мягкая основа	Примечание / пример
Мужской	= nom. / = gen.	= nom. / = gen.	inanimate = nominative; animate = genitive
Женский	-у	-ю / -ь	-ь nouns are unchanged (ночь -> ночь)
Средний	= nom.	= nom.	окно, море (unchanged)

Окончания: Дательный (единственное число)

Окончания: Дательный (единственное число)
Род	Твёрдая основа	Мягкая основа	Примечание / пример
Мужской	-у	-ю	столу, коню
Женский	-е	-е / -и	-ь nouns and -ия take -и (ночи, армии)
Средний	-у	-ю	окну, морю

Окончания: Творительный (единственное число)

Окончания: Творительный (единственное число)
Род	Твёрдая основа	Мягкая основа	Примечание / пример
Мужской	-ом	-ем / -ём	столом, конём
Женский	-ой	-ей / -ью	-ь nouns take -ью (ночью)
Средний	-ом	-ем	окном, морем

Окончания: Предложный (единственное число)

Окончания: Предложный (единственное число)
Род	Твёрдая основа	Мягкая основа	Примечание / пример
Мужской	-е	-е	(о) столе, (о) коне
Женский	-е	-е / -и	-ь nouns and -ия take -и (о ночи, об армии)
Средний	-е	-е / -и	-ие nouns take -и (о здании)

Prepositions that trigger each case

A huge share of case use is automatic: certain prepositions always force a certain case. Memorize the preposition together with its case and half the work is done. The genitive follows без, у, до, от, из, для and около; the dative follows к and по; the instrumental follows с, над, под, перед and между; and the prepositional only ever appears after в, на, о/об and при.

A few prepositions take different cases depending on meaning. в and на take the accusative for motion ("into / onto" - where to?) but the prepositional for location ("in / on" - where?). за and под take the accusative for motion and the instrumental for a static position. The drill below mixes these so you learn to spot the difference.

Именительный
Ни один предлог не управляет этим падежом.
Родительный
без, у, до, от, из, с (со), для, около, после, вокруг
Винительный
в / на (motion), за, через, про, под (motion)
Дательный
к (ко), по, благодаря, согласно
Творительный
с (со), над, под, перед, между, за (location)
Предложный
в / во, на, о / об / обо, при

Three nouns, all six cases

Theory clicks when you watch a real word move through every case. Here are a hard masculine noun (стол), a hard feminine noun (книга) and a hard neuter noun (окно), each declined through all six singular cases. Tap the speaker on any form to hear it.

стол - table

Мужской

Полное склонение слова стол по всем шести падежам
Падеж	Форма	Транслит.
Именительный	стол	stol
Родительный	стола	stola
Винительный	стол	stol
Дательный	столу	stolu
Творительный	столом	stolom
Предложный	(о) столе	(o) stole

книга - book

Женский

Полное склонение слова книга по всем шести падежам
Падеж	Форма	Транслит.
Именительный	книга	kniga
Родительный	книги	knigi
Винительный	книгу	knigu
Дательный	книге	knige
Творительный	книгой	knigoy
Предложный	(о) книге	(o) knige

окно - window

Средний

Полное склонение слова окно по всем шести падежам
Падеж	Форма	Транслит.
Именительный	окно	okno
Родительный	окна	okna
Винительный	окно	okno
Дательный	окну	oknu
Творительный	окном	oknom
Предложный	(об) окне	(ob) okne

Practice: which case is it?

Reading tables is not the same as recognizing cases in the wild. This drill shows you a real Russian sentence and asks which case the highlighted word is in. Instant feedback and a short reason each time - this is the exact skill that turns the tables into reading ability.

Практика: какой это падеж?

1 / 8Счёт 0/0 (0%)

Я читаю книгу.

Ya chitayu knigu.

Which case is «книгу» in?

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FAQ

How many cases does Russian have?

Russian has six cases: nominative, accusative, genitive, dative, instrumental and prepositional. Each marks a noun's role in the sentence by changing its ending.

What is the easiest way to learn Russian cases?

Learn one case at a time by its job (subject, object, "of", "to", "with", "about"), and memorize each preposition together with the case it triggers. Then practice recognizing cases in real sentences - recognition, not memorizing tables, is what makes them stick. The drill on this page is built for exactly that.

Do I have to learn all six cases at once?

No. Start with the nominative (the dictionary form) and the accusative (direct objects), then add the prepositional and genitive, which appear constantly. The dative and instrumental can come a little later. Each case has its own page here so you can take them one at a time.

What decides which ending a Russian noun takes?

Two things: the noun's gender (masculine, feminine, neuter) and whether its stem is hard or soft. Soft stems use the soft twin of each ending (-я instead of -а, -е instead of -о, and so on). A spelling rule (use -и after к г х ж ч ш щ) explains most of the rest.

Why does Russian even need cases?

Cases let the ending - not the word order - show who does what. That is why Russian word order is so flexible: «студент читает книгу» and «книгу читает студент» both mean the student reads the book, because the endings already mark subject and object.

Are case endings the same in the plural?

No, the plural has its own set of endings (and the genitive plural is famously tricky). This guide covers the singular, which is where every learner starts. Once the singular system is solid, the plural patterns are much easier to add.

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Make the cases automatic - free

You have seen the system. Daily Cyrillic drills the cases with spaced-repetition cards, audio and real sentences, so the right ending comes without thinking.

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