Noun reference

сын

son

Masculine · Animate

Masculine hard consonant · 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 сын
Case	Singular	Plural
Nominative	сын	сыновья
Accusative	сына	сыновей
Genitive	сына	сыновей
Dative	сыну	сыновьям
Instrumental	сыном	сыновьями
Prepositional	сыне	сыновьях

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 сын → сыновья

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 сын This is the dictionary form used to identify the noun.

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

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

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

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

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

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

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

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

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

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

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