Noun reference

лес

forest

Masculine · Inanimate

Masculine hard consonant · Special pattern

Case paradigm

Singular and plural together

Compare each case across both numbers. The forms below are the noun's stored reference paradigm.

Singular and plural case forms for лес
Case	Singular	Plural
Nominative	лес	леса
Accusative	лес	леса
Genitive	леса	лесов
Dative	лесу	лесам
Instrumental	лесом	лесами
Prepositional	лесеLocative after в: лесу Accepted in practice	лесах

Form pattern

How the forms are built

The paradigm above is authoritative. These notes expose a transparent ending change only when the stored declension family supports one.

Nominative · Plural лес → леса

This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Show all case-build notes

Nominative · Singular лес This is the dictionary form used to identify the noun.

Nominative · Plural лес → леса This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Accusative · Singular лес → лес This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Accusative · Plural лес → леса This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Genitive · Singular лес → леса This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Genitive · Plural лес → лесов This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Dative · Singular лес → лесу This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Dative · Plural лес → лесам This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Instrumental · Singular лес → лесом This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Instrumental · Plural лес → лесами This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Prepositional · Singular лес → лесе This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Prepositional · Plural лес → лесах This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.