互換

1. Origins, structure, and basic meaning

• Structure: 互換 is read as ごかん and means “compatibility” and “interchangeability”.
• Basic usage: It denotes maintaining compatibility between old and new parts and enabling interchange between formats.

2. Common pitfalls and similar expressions

• 互換を保つ / 互換を可能にする
  • Use 互換を保つ for maintaining compatibility and 互換を可能にする for enabling it.