解約

1. Origins, structure, and basic meaning

• Structure: 解約 is read as かいやく and can mean “contract cancellation” or “termination”, depending on context.
• Basic usage: The examples show canceling an unused service and checking procedures before termination.

2. Common pitfalls and similar expressions

• Distinguishing senses and uses
  • It is terminating an active contract by a party or its terms, distinct from the contract naturally expiring at the end of its period.