# 究 — Research

Frequency rank 537 / 2,608 in published Japanese.

Mid-frequency: not on every page, but regular in books and magazines.

More common than 程 (Extent), less common than 独 (Alone).

- On’yomi: きゅう
- Kun’yomi: きわ
- Radical: 穴 Cave (Kangxi 116)
- Frequency path: Level V of XX

A hole (hole) opens at the top and nine (nine) fills the bottom — digging nine levels deep into a hole, going deeper and deeper in research and investigation.

In words:

- 研究 けんきゅう — research
- 究極 きゅうきょく — ultimate;final;eventual
- 研究室 けんきゅうしつ — study room,laboratory

[Study 究](https://app.kanjidrift.com/study?kanji=%E7%A9%B6)

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