Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for война
Case
Singular
Plural
Nominative
война
войны
Accusative
войну
войны
Genitive
войны
войн
Dative
войне
войнам
Instrumental
войнойLong instrumental variant:войноюAccepted in practice
войнами
Prepositional
войне
войнах
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 · Singularвойн- + -ы → войны
Remove -а and add -ы.
Show all case-build notes
Nominative · Singularвойна
This is the dictionary form used to identify the noun.Nominative · Pluralвойн- + -ы → войны
Remove -а and add -ы.Accusative · Singularвойн- + -у → войну
Remove -а and add -у.Accusative · Pluralвойн- + -ы → войны
Remove -а and add -ы.Genitive · Singularвойн- + -ы → войны
Remove -а and add -ы.Genitive · Pluralвойн- + zero ending → войн
Remove -а; this form has a zero ending.Dative · Singularвойн- + -е → войне
Remove -а and add -е.Dative · Pluralвойн- + -ам → войнам
Remove -а and add -ам.Instrumental · Singularвойн- + -ой → войной
Remove -а and add -ой.Instrumental · Pluralвойн- + -ами → войнами
Remove -а and add -ами.Prepositional · Singularвойн- + -е → войне
Remove -а and add -е.Prepositional · Pluralвойн- + -ах → войнах
Remove -а and add -ах.