nut, walnut

• Russian
  оре́хorex

  ɐˈrʲexinherited
• Ukrainian
  горі́хhorix

  ɦɔˈrʲixinherited

  Ukrainian adds an h- before initial o-, as in горіх and гострий.

• Polish
  orzech

  ˈɔʐɛxinherited
• Czech
  ořech

  ˈor̝ɛxinherited
• Bosnian-Croatian-Serbian
  orahорах

  ˈoraxinherited
• English
  nut, walnut

Sound laws at work

• Jat (ě) and its reflexes
• Ukrainian і (ikavism)
• Soft r → Polish rz, Czech ř