Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for урок
Case
Singular
Plural
Nominative
урок
уроки
Accusative
урок
уроки
Genitive
урока
уроков
Dative
уроку
урокам
Instrumental
уроком
уроками
Prepositional
уроке
уроках
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 · Singularурок- + -а → урока
Keep the stored stem and add -а.
Show all case-build notes
Nominative · Singularурок
This is the dictionary form used to identify the noun.Nominative · Pluralурок- + -и → уроки
Keep the stored stem and add -и.Accusative · Singularурок- + zero ending → урок
Remove the zero ending; this form has a zero ending.Accusative · Pluralурок- + -и → уроки
Keep the stored stem and add -и.Genitive · Singularурок- + -а → урока
Keep the stored stem and add -а.Genitive · Pluralурок- + -ов → уроков
Keep the stored stem and add -ов.Dative · Singularурок- + -у → уроку
Keep the stored stem and add -у.Dative · Pluralурок- + -ам → урокам
Keep the stored stem and add -ам.Instrumental · Singularурок- + -ом → уроком
Keep the stored stem and add -ом.Instrumental · Pluralурок- + -ами → уроками
Keep the stored stem and add -ами.Prepositional · Singularурок- + -е → уроке
Keep the stored stem and add -е.Prepositional · Pluralурок- + -ах → уроках
Keep the stored stem and add -ах.