Start training
CaseSingularPlural
Nominativeименительный · кто? что?коридор коридоры the subject: who or what acts
Accusativeвинительный · кого? что?коридор коридоры the direct object of the verb
Genitiveродительный · кого? чего?коридора коридоров possession, absence, "of"-phrases
Dativeдательный · кому? чему?коридору коридорам the receiver: to or for someone
Instrumentalтворительный · кем? чем?коридором коридорами the tool or companion: with, by
Prepositionalпредложный · о ком? о чём?коридоре коридорах location and topics: in, at, about

Коридор 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 коридор 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 коридор and every word like it with typed case endings, checked letter by letter.

Train this in Slova