Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for роман
Case
Singular
Plural
Nominative
роман
романы
Accusative
роман
романы
Genitive
романа
романов
Dative
роману
романам
Instrumental
романом
романами
Prepositional
романе
романах
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 · Singularроман- + -а → романа
Keep the stored stem and add -а.
Show all case-build notes
Nominative · Singularроман
This is the dictionary form used to identify the noun.Nominative · Pluralроман- + -ы → романы
Keep the stored stem and add -ы.Accusative · Singularроман- + zero ending → роман
Remove the zero ending; this form has a zero ending.Accusative · Pluralроман- + -ы → романы
Keep the stored stem and add -ы.Genitive · Singularроман- + -а → романа
Keep the stored stem and add -а.Genitive · Pluralроман- + -ов → романов
Keep the stored stem and add -ов.Dative · Singularроман- + -у → роману
Keep the stored stem and add -у.Dative · Pluralроман- + -ам → романам
Keep the stored stem and add -ам.Instrumental · Singularроман- + -ом → романом
Keep the stored stem and add -ом.Instrumental · Pluralроман- + -ами → романами
Keep the stored stem and add -ами.Prepositional · Singularроман- + -е → романе
Keep the stored stem and add -е.Prepositional · Pluralроман- + -ах → романах
Keep the stored stem and add -ах.