Noun reference

операция

operation, procedure, surgery

Feminine · Inanimate

Feminine -я family

Case paradigm

Singular and plural together

Compare each case across both numbers. The forms below are the noun's stored reference paradigm.

Singular and plural case forms for операция
Case	Singular	Plural
Nominative	операция	операции
Accusative	операцию	операции
Genitive	операции	операций
Dative	операции	операциям
Instrumental	операциейLong instrumental variant: операциею Accepted in practice	операциями
Prepositional	операции	операциях

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 · Singular операция → операции

The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.

Show all case-build notes

Nominative · Singular операция This is the dictionary form used to identify the noun.

Nominative · Plural операция → операции The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.

Accusative · Singular операция → операцию The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.

Accusative · Plural операция → операции The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.

Genitive · Singular операция → операции The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.

Genitive · Plural операция → операций The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.

Dative · Singular операция → операции The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.

Dative · Plural операция → операциям The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.

Instrumental · Singular операция → операцией The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.

Instrumental · Plural операция → операциями The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.

Prepositional · Singular операция → операции The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.

Prepositional · Plural операция → операциях The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.