fire

1. Origins, structure, and basic meaning

• Structure: 火 has 4 strokes and relates to fire and its heat.
• Basic usage: 火力 is read かりょく, and 火傷 is read やけど.

2. Common pitfalls and similar expressions

• Heat level and a burn
  • 火力を弱める means reducing the heat, with 火 in 火力 read か.
  • 指を火傷した means burning one's finger. The whole word 火傷 is read やけど.