Noun reference

деятельность

activity, work, occupation

Feminine · Inanimate

Feminine soft sign · Special pattern

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 деятельность
Case	Singular	Plural
Nominative	деятельность	деятельности
Accusative	деятельность	деятельности
Genitive	деятельности	деятельностей
Dative	деятельности	деятельностям
Instrumental	деятельностью	деятельностями
Prepositional	деятельности	деятельностях

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.

Nominative · Plural деятельность → деятельности

This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Show all case-build notes

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

Nominative · Plural деятельность → деятельности This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Accusative · Singular деятельность → деятельность This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Accusative · Plural деятельность → деятельности This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Genitive · Singular деятельность → деятельности This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Genitive · Plural деятельность → деятельностей This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Dative · Singular деятельность → деятельности This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Dative · Plural деятельность → деятельностям This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Instrumental · Singular деятельность → деятельностью This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Instrumental · Plural деятельность → деятельностями This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Prepositional · Singular деятельность → деятельности This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.

Prepositional · Plural деятельность → деятельностях This form belongs to a reviewed special pattern, so it is shown as a stored form rather than a guessed suffix swap.