俗説

1. Origins, structure, and basic meaning

• Structure: 俗説(ぞくせつ) is a belief or explanation that circulates among people.
• Basic usage: It describes examining sources to see whether a popular belief has a basis.
  • その俗説に根拠があるか資料を調べた。

2. Common pitfalls and similar expressions

• Contrast with an academic theory
  • 学説(がくせつ) denotes an academic explanation or theory, whereas 俗説 emphasizes an explanation circulating among the public.
• Contrast with a rumor
  • 噂(うわさ) can describe a rumor about a particular person or event. 俗説 suits a general belief or explanation that has been passed around over time.