履き違える

1. Origins, structure, and basic meaning

• Structure: 履き違える combines the stem 履き of 履く with 違える, “get wrong,” and is an ichidan transitive verb read はきちがえる.
• Basic usage: It can mean putting on the wrong footwear literally or confusing two different ideas figuratively.
  • 玄関で他人の靴を自分のものと履き違えた。 describes a literal shoe mix-up, while 自由と無責任を履き違えてはいけない。 warns against confusing freedom with irresponsibility.

2. Common pitfalls and similar expressions

• AをBと履き違える
  • In 他人の靴を自分のものと履き違える, を marks the item misidentified and と marks the identity mistakenly assigned to it.
• Figurative scope
  • 自由と無責任を履き違える means misunderstanding the distinction between two concepts; no act of putting on footwear is involved.
• 履き違える and 間違える
  • 間違える(まちがえる) covers mistakes broadly. 履き違える begins with wearing the wrong item and is especially apt for confusing distinct values or concepts.