辛子

1. Origins, structure, and basic meaning

• Structure: 辛子(からし) refers to mustard or a mustard condiment used to add pungency to food.
• Basic usage: It is used when serving mustard with food or describing a dish containing it. Typical patterns are 辛子を付けて食べる and 辛子の入った料理.

2. Common pitfalls and similar expressions

• Check the spelling and reading
  • It is written 辛子 but read からし; do not simply apply the reading of 辛い.
• Difference from わさび
  • わさび and 辛子 are both pungent condiments, but they name different ingredients and flavors and are not interchangeable.