Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for кусок
Case
Singular
Plural
Nominative
кусок
куски
Accusative
кусок
куски
Genitive
куска
кусков
Dative
куску
кускам
Instrumental
куском
кусками
Prepositional
куске
кусках
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.
Genitive · Singularкусок → куска
The stem changes in this stored form, so a simple ending replacement would be misleading.
Show all case-build notes
Nominative · Singularкусок
This is the dictionary form used to identify the noun.Nominative · Pluralкусок → куски
The stem changes in this stored form, so a simple ending replacement would be misleading.Accusative · Singularкусок- + zero ending → кусок
Remove the zero ending; this form has a zero ending.Accusative · Pluralкусок → куски
The stem changes in this stored form, so a simple ending replacement would be misleading.Genitive · Singularкусок → куска
The stem changes in this stored form, so a simple ending replacement would be misleading.Genitive · Pluralкусок → кусков
The stem changes in this stored form, so a simple ending replacement would be misleading.Dative · Singularкусок → куску
The stem changes in this stored form, so a simple ending replacement would be misleading.Dative · Pluralкусок → кускам
The stem changes in this stored form, so a simple ending replacement would be misleading.Instrumental · Singularкусок → куском
The stem changes in this stored form, so a simple ending replacement would be misleading.Instrumental · Pluralкусок → кусками
The stem changes in this stored form, so a simple ending replacement would be misleading.Prepositional · Singularкусок → куске
The stem changes in this stored form, so a simple ending replacement would be misleading.Prepositional · Pluralкусок → кусках
The stem changes in this stored form, so a simple ending replacement would be misleading.