Compare each case across both numbers. The forms below are the noun's stored reference paradigm.
Singular and plural case forms for коридор
Case
Singular
Plural
Nominative
коридор
коридоры
Accusative
коридор
коридоры
Genitive
коридора
коридоров
Dative
коридору
коридорам
Instrumental
коридором
коридорами
Prepositional
коридоре
коридорах
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 · Singularкоридор- + -а → коридора
Keep the stored stem and add -а.
Show all case-build notes
Nominative · Singularкоридор
This is the dictionary form used to identify the noun.Nominative · Pluralкоридор- + -ы → коридоры
Keep the stored stem and add -ы.Accusative · Singularкоридор- + zero ending → коридор
Remove the zero ending; this form has a zero ending.Accusative · Pluralкоридор- + -ы → коридоры
Keep the stored stem and add -ы.Genitive · Singularкоридор- + -а → коридора
Keep the stored stem and add -а.Genitive · Pluralкоридор- + -ов → коридоров
Keep the stored stem and add -ов.Dative · Singularкоридор- + -у → коридору
Keep the stored stem and add -у.Dative · Pluralкоридор- + -ам → коридорам
Keep the stored stem and add -ам.Instrumental · Singularкоридор- + -ом → коридором
Keep the stored stem and add -ом.Instrumental · Pluralкоридор- + -ами → коридорами
Keep the stored stem and add -ами.Prepositional · Singularкоридор- + -е → коридоре
Keep the stored stem and add -е.Prepositional · Pluralкоридор- + -ах → коридорах
Keep the stored stem and add -ах.