Noun reference

остров

island

Masculine · Inanimate

Masculine hard consonant

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 остров
Case Singular Plural
Nominative остров острова
Accusative остров острова
Genitive острова островов
Dative острову островам
Instrumental островом островами
Prepositional острове островах

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 · Singular остров- + -а → острова

Keep the stored stem and add -а.

Show all case-build notes
Nominative · Singular остров This is the dictionary form used to identify the noun.
Nominative · Plural остров- + -а → острова Keep the stored stem and add -а.
Accusative · Singular остров- + zero ending → остров Remove the zero ending; this form has a zero ending.
Accusative · Plural остров- + -а → острова Keep the stored stem and add -а.
Genitive · Singular остров- + -а → острова Keep the stored stem and add -а.
Genitive · Plural остров- + -ов → островов Keep the stored stem and add -ов.
Dative · Singular остров- + -у → острову Keep the stored stem and add -у.
Dative · Plural остров- + -ам → островам Keep the stored stem and add -ам.
Instrumental · Singular остров- + -ом → островом Keep the stored stem and add -ом.
Instrumental · Plural остров- + -ами → островами Keep the stored stem and add -ами.
Prepositional · Singular остров- + -е → острове Keep the stored stem and add -е.
Prepositional · Plural остров- + -ах → островах Keep the stored stem and add -ах.
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