Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for семья
Case
Singular
Plural
Nominative
семья
семьи
Accusative
семью
семьи
Genitive
семьи
семей
Dative
семье
семьям
Instrumental
семьёйLong instrumental variant:семьёюAccepted in practice
семьями
Prepositional
семье
семьях
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 · Singularсемья → семьи
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.
Show all case-build notes
Nominative · Singularсемья
This is the dictionary form used to identify the noun.Nominative · Pluralсемья → семьи
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Accusative · Singularсемья → семью
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Accusative · Pluralсемья → семьи
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Genitive · Singularсемья → семьи
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Genitive · Pluralсемья → семей
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Dative · Singularсемья → семье
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Dative · Pluralсемья → семьям
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Instrumental · Singularсемья → семьёй
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Instrumental · Pluralсемья → семьями
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Prepositional · Singularсемья → семье
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.Prepositional · Pluralсемья → семьях
The reviewed declension family controls this spelling. Use the stored form rather than removing the last letter mechanically.