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CaseSingularPlural
Nominativeименительный · кто? что?богатый богатые the subject: who or what acts
Accusativeвинительный · кого? что?богатый (inanimate) / богатого (animate) богатые (inanimate) / богатых (animate) the direct object of the verb
Genitiveродительный · кого? чего?богатого богатых possession, absence, "of"-phrases
Dativeдательный · кому? чему?богатому богатым the receiver: to or for someone
Instrumentalтворительный · кем? чем?богатым богатыми the tool or companion: with, by
Prepositionalпредложный · о ком? о чём?богатом богатых location and topics: in, at, about

Богатый is an adjective: it copies the gender, number, and case of its noun. The table shows masculine and plural; feminine and neuter follow the same stem with their own endings.

Look up any other word in the Russian declension tool, see where богатый ranks in the most common Russian words, or start from Russian cases explained if the table above is new territory. More vocabulary lives in Russian words by topic and Russian phrases.

12 forms is a table. Using them is a skill.

Slova drills богатый and every word like it with typed case endings, checked letter by letter.

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