Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for мальчишка
Case
Singular
Plural
Nominative
мальчишка
мальчишки
Accusative
мальчишку
мальчишек
Genitive
мальчишки
мальчишек
Dative
мальчишке
мальчишкам
Instrumental
мальчишкойLong instrumental variant:мальчишкоюAccepted in practice
мальчишками
Prepositional
мальчишке
мальчишках
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 · Pluralмальчишка → мальчишки
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 · Singularмальчишка
This is the dictionary form used to identify the noun.Nominative · Pluralмальчишка → мальчишки
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Accusative · Singularмальчишка → мальчишку
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Accusative · Pluralмальчишка → мальчишек
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Genitive · Singularмальчишка → мальчишки
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Genitive · Pluralмальчишка → мальчишек
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Dative · Singularмальчишка → мальчишке
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Dative · Pluralмальчишка → мальчишкам
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Instrumental · Singularмальчишка → мальчишкой
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Instrumental · Pluralмальчишка → мальчишками
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Prepositional · Singularмальчишка → мальчишке
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Prepositional · Pluralмальчишка → мальчишках
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.