| pic | pronounciation | meaning | ||
| 恒 | koo | always | ||
| 洪 | koo | flood, vast | ||
| 皇 | koo, oo | emperor | ||
| 紅 | koo, ku, beni, kurenai | red, crimson, deep red | ||
| 荒 | koo, ara(i), a(reru), a(rasu) | rough, rude, wild, violent, be ruined, lay waste | ||
| 郊 | koo | suburbs, rural area | ||
| 香 | koo, kyoo, ka, kao(ri), kao(ru) | incense, fragrance, odor | ||
| 候 | koo, sooroo | season, weather, classical verbal ending equivalent to colloquial | ||
| 校 | koo | school, (printing) proof, comparison, correction, investigation | ||
| 耕 | koo, tagaya(su) | plow, cultivate | ||
