Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for вечер
Case
Singular
Plural
Nominative
вечер
вечера
Accusative
вечер
вечера
Genitive
вечера
вечеров
Dative
вечеру
вечерам
Instrumental
вечером
вечерами
Prepositional
вечере
вечерах
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 · Singularвечер- + -а → вечера
Keep the stored stem and add -а.
Show all case-build notes
Nominative · Singularвечер
This is the dictionary form used to identify the noun.Nominative · Pluralвечер- + -а → вечера
Keep the stored stem and add -а.Accusative · Singularвечер- + zero ending → вечер
Remove the zero ending; this form has a zero ending.Accusative · Pluralвечер- + -а → вечера
Keep the stored stem and add -а.Genitive · Singularвечер- + -а → вечера
Keep the stored stem and add -а.Genitive · Pluralвечер- + -ов → вечеров
Keep the stored stem and add -ов.Dative · Singularвечер- + -у → вечеру
Keep the stored stem and add -у.Dative · Pluralвечер- + -ам → вечерам
Keep the stored stem and add -ам.Instrumental · Singularвечер- + -ом → вечером
Keep the stored stem and add -ом.Instrumental · Pluralвечер- + -ами → вечерами
Keep the stored stem and add -ами.Prepositional · Singularвечер- + -е → вечере
Keep the stored stem and add -е.Prepositional · Pluralвечер- + -ах → вечерах
Keep the stored stem and add -ах.