Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for раз
Case
Singular
Plural
Nominative
раз
разы
Accusative
раз
разы
Genitive
раза
раз
Dative
разу
разам
Instrumental
разом
разами
Prepositional
разе
разах
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 · Singularраз- + -а → раза
Keep the stored stem and add -а.
Show all case-build notes
Nominative · Singularраз
This is the dictionary form used to identify the noun.Nominative · Pluralраз- + -ы → разы
Keep the stored stem and add -ы.Accusative · Singularраз- + zero ending → раз
Remove the zero ending; this form has a zero ending.Accusative · Pluralраз- + -ы → разы
Keep the stored stem and add -ы.Genitive · Singularраз- + -а → раза
Keep the stored stem and add -а.Genitive · Pluralраз- + zero ending → раз
Remove the zero ending; this form has a zero ending.Dative · Singularраз- + -у → разу
Keep the stored stem and add -у.Dative · Pluralраз- + -ам → разам
Keep the stored stem and add -ам.Instrumental · Singularраз- + -ом → разом
Keep the stored stem and add -ом.Instrumental · Pluralраз- + -ами → разами
Keep the stored stem and add -ами.Prepositional · Singularраз- + -е → разе
Keep the stored stem and add -е.Prepositional · Pluralраз- + -ах → разах
Keep the stored stem and add -ах.