bend · yield

1. Origins, structure, and basic meaning

• Structure: 屈 is associated with bending or yielding; its on-reading is くつ.
• Basic usage: 屈折(くっせつ) means refraction or distortion, while 退屈(たいくつ) means boredom.

2. Common pitfalls and similar expressions

• Refraction, distorted feelings, and boredom
  • 光の屈折 means light refraction, while 屈折した思い means distorted feelings. 屈折 applies to a physical phenomenon and a state of mind, and its reading contains a small っ.
  • 退屈していた means was feeling bored. 退屈 describes boredom while idle or waiting, with its latter part read くつ.