different

1. Origins, structure, and basic meaning

• Structure: 異 has 11 strokes and concerns difference or departure from the usual state.
• Basic usage: 異常 is read いじょう, and 異議 is read いぎ.

2. Common pitfalls and similar expressions

• An abnormal state and an objection
  • 機械の異常 refers to a problem with a machine.
  • 決定に異議を唱えた means raised an objection to the decision. 異議 concerns a differing opinion or opposition.