“Vulgar / Customs / Manners / Worldliness” in Japanese is 俗, read zoku (ぞく). It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 俗語 (slang).
What does 俗 mean?
| Kanji | 俗 |
|---|---|
| Meaning | Vulgar / Customs / Manners / Worldliness |
| Readings | ぞく |
| Grade | Master (高手 · secondary school) |
| Curriculum | Jōyō kanji · Japanese secondary school (JLPT N1–N2) |
| Example | 俗語 (slang) |
俗 is read zoku (ぞく) depending on the word.
Same sound, different character — the classic trap. Compare them side by side: