憶測

1. Origins, structure, and basic meaning

• Structure: 憶測, read おくそく, is a noun for speculation or conjecture unsupported by firm evidence.
• Basic usage: 憶測を広める warns against spreading it; 様々な憶測が飛び交う depicts many conjectures circulating.

2. Common pitfalls and similar expressions

• Inference without firm evidence
  • The explicit absence of 確かな証拠 separates speculation from established fact; が飛び交う presents multiple claims in circulation.