誠 sincerity, admonish, warn, prohibit, truth, fidelity 13 strokes taught in grade 6 old JLPT 1 #1128 in newspapers Readings Onセイ Kunまこと In Chinese 诚, traditional 誠 Words written with it 誠に まことに really N1 誠実 せいじつ sincere N1 誠意 せいい sincerity 忠誠 ちゅうせい loyalty 誠 まこと truth N1 誠心 せいしん sincerity 誠にありがとうございます まことにありがとうございます thank you very much 至誠 しせい sincerity