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CaseSingularPlural
Nominativeименительный · кто? что?велосипед велосипеды the subject: who or what acts
Accusativeвинительный · кого? что?велосипед велосипеды the direct object of the verb
Genitiveродительный · кого? чего?велосипеда велосипедов possession, absence, "of"-phrases
Dativeдательный · кому? чему?велосипеду велосипедам the receiver: to or for someone
Instrumentalтворительный · кем? чем?велосипедом велосипедами the tool or companion: with, by
Prepositionalпредложный · о ком? о чём?велосипеде велосипедах location and topics: in, at, about

Велосипед is a masculine noun; the ending pattern above repeats across most masculine nouns, so every table you learn makes the next one cheaper.

Look up any other word in the Russian declension tool, see where велосипед 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 велосипед and every word like it with typed case endings, checked letter by letter.

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