貝 shellfish 7 strokes taught in grade 1 old JLPT 2 #1787 in newspapers Readings Onバイ Kunかい In Chinese 贝, traditional 貝 Words written with it 貝 かい shellfish N2 貝殻 かいがら seashell N1 貝塚 かいづか shell heap 巻き貝 まきがい snail