In Russian, the Accusative case is used for the direct object of a sentence (the person or thing receiving the action). When dealing with plural nouns, Russian distinguishes between animate (people and animals) and inanimate (objects and concepts) nouns.
For all animate nouns in the plural, the Accusative form is identical to the Genitive plural form. This rule applies regardless of the noun's gender (masculine, feminine, or neuter).
Formula: Accusative Plural (Animate) = Genitive Plural
Most masculine animate nouns end in -ов (-ov), -ев (-ev), or -ей (-ey) in the plural Accusative/Genitive.
Feminine animate nouns usually take a "zero ending" (the final vowel drops) or end in -ей (-ey).
While neuter nouns are rarely animate, they follow the same rule in contexts like mythology or personification (e.g., "monsters" or "children" - though 'deti' is a special plural form).
Notice the difference between inanimate and animate nouns in the plural Accusative:
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