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CaseSingularPlural
Nominativeименительный · кто? что?грудь груди the subject: who or what acts
Accusativeвинительный · кого? что?грудь груди the direct object of the verb
Genitiveродительный · кого? чего?груди грудей possession, absence, "of"-phrases
Dativeдательный · кому? чему?груди грудям the receiver: to or for someone
Instrumentalтворительный · кем? чем?грудью грудями the tool or companion: with, by
Prepositionalпредложный · о ком? о чём?груди грудях location and topics: in, at, about
Locativeгде? · the where-formв груди plural uses the regular prepositionalfor physical location after в or на, this word uses this form instead of the prepositional

Грудь is a feminine noun; the ending pattern above repeats across most feminine nouns, so every table you learn makes the next one cheaper. One extra form matters here: for location after в or на, Russian says в груди, with the stress on the ending, instead of the regular prepositional.

Look up any other word in the Russian declension tool, see where грудь 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.

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

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