Arena- russian

• трибу́на

  platform, rostrum, tribune, stand

  stands, seats (e.g. of a stadium or arena)

• аре́на

  arena

• мане́ж

  arena

  play pen

• игра́лище

  plaything, toy, puppet

  object of ridicule, spectacle, arena

• манеженный

  of a manege, of a riding arena, of a circus arena

  stilted, unnatural, artificial, affected

• манежимый

  trainable, manageable (especially of an animal, in a riding arena context)