Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for танк
Case
Singular
Plural
Nominative
танк
танки
Accusative
танк
танки
Genitive
танка
танков
Dative
танку
танкам
Instrumental
танком
танками
Prepositional
танке
танках
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 · Singularтанк- + -а → танка
Keep the stored stem and add -а.
Show all case-build notes
Nominative · Singularтанк
This is the dictionary form used to identify the noun.Nominative · Pluralтанк- + -и → танки
Keep the stored stem and add -и.Accusative · Singularтанк- + zero ending → танк
Remove the zero ending; this form has a zero ending.Accusative · Pluralтанк- + -и → танки
Keep the stored stem and add -и.Genitive · Singularтанк- + -а → танка
Keep the stored stem and add -а.Genitive · Pluralтанк- + -ов → танков
Keep the stored stem and add -ов.Dative · Singularтанк- + -у → танку
Keep the stored stem and add -у.Dative · Pluralтанк- + -ам → танкам
Keep the stored stem and add -ам.Instrumental · Singularтанк- + -ом → танком
Keep the stored stem and add -ом.Instrumental · Pluralтанк- + -ами → танками
Keep the stored stem and add -ами.Prepositional · Singularтанк- + -е → танке
Keep the stored stem and add -е.Prepositional · Pluralтанк- + -ах → танках
Keep the stored stem and add -ах.