4 Kanji
37.
Meaningpublic,prince,official,governmental,
Onyomiコウ (kou),
Kunyomi
e.g.:
主人公 - Shujinkō - main character,hero,protagonist,
公共 - Kōkyō - public,
公園 - Kōen - park,
公開 - Kōkai - release,