• 良好りょうこう — good / favorable
• 良心りょうしん — conscience
• 優良ゆうりょう — excellent
• 改良かいりょう — improvement
• 良よい — good / fine / okay

The kanji 良 is pictographic in origin, showing grain (米) being checked or selected. Over time, it came to represent the idea of “good” or “favorable.” Often seen in compound words related to improvement and quality.

この本ほんは とても良よいです。
This book is very good.

彼かれは 良心的りょうしんてきな人ひとです。
He is a conscientious person.

🎧 リョウ is commonly used in compound words, while よい is the basic kun-yomi for “good.” You’ll often hear よい in everyday expressions or school settings. In modern Japanese, よい is sometimes replaced with いい in casual speech.