懸念

1. Origins, structure, and basic meaning

• Structure: 懸念 is read as けねん and is a noun and する verb for concern about the possibility of an undesirable outcome.
• Basic usage: Concern about a delay appears in 完成が遅れる懸念がある, while concern about water quality appears in 水質への懸念.

2. Common pitfalls and similar expressions

• Concern about a possibility
  • 懸念がある often raises a potential problem or risk that has not yet become certain.
• Difference from 心配
  • 心配 is broad and common for personal worry in daily life, while 懸念 is often more formal and used to identify a risk or issue.