Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for папа
Case
Singular
Plural
Nominative
папа
папы
Accusative
папу
пап
Genitive
папы
пап
Dative
папе
папам
Instrumental
папойLong instrumental variant:папоюAccepted in practice
папами
Prepositional
папе
папах
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 · Pluralпапа → папы
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 · Singularпапа
This is the dictionary form used to identify the noun.Nominative · Pluralпапа → папы
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Accusative · Singularпапа → папу
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Accusative · Pluralпапа → пап
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Genitive · Singularпапа → папы
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Genitive · Pluralпапа → пап
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Dative · Singularпапа → папе
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Dative · Pluralпапа → папам
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Instrumental · Singularпапа → папой
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Instrumental · Pluralпапа → папами
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Prepositional · Singularпапа → папе
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.Prepositional · Pluralпапа → папах
This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.