Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for ключ
Case
Singular
Plural
Nominative
ключ
ключи
Accusative
ключ
ключи
Genitive
ключа
ключей
Dative
ключу
ключам
Instrumental
ключом
ключами
Prepositional
ключе
ключах
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 · Singularключ- + -а → ключа
Keep the stored stem and add -а.
Show all case-build notes
Nominative · Singularключ
This is the dictionary form used to identify the noun.Nominative · Pluralключ- + -и → ключи
Keep the stored stem and add -и.Accusative · Singularключ- + zero ending → ключ
Remove the zero ending; this form has a zero ending.Accusative · Pluralключ- + -и → ключи
Keep the stored stem and add -и.Genitive · Singularключ- + -а → ключа
Keep the stored stem and add -а.Genitive · Pluralключ- + -ей → ключей
Keep the stored stem and add -ей.Dative · Singularключ- + -у → ключу
Keep the stored stem and add -у.Dative · Pluralключ- + -ам → ключам
Keep the stored stem and add -ам.Instrumental · Singularключ- + -ом → ключом
Keep the stored stem and add -ом.Instrumental · Pluralключ- + -ами → ключами
Keep the stored stem and add -ами.Prepositional · Singularключ- + -е → ключе
Keep the stored stem and add -е.Prepositional · Pluralключ- + -ах → ключах
Keep the stored stem and add -ах.