illegitimacy (being born out of wedlock)

a privately-owned ricefield, especially one under the historical 律令 (Ritsuryō) system

personal grudge

Kyūjitai form of 私鉄 (“private railway”)

a crescent moon on the third day of a lunar month, especially on the eighth lunar month / (by extension) Short for 三日月形 (mikazuki-gata): a crescent moon in general

the twentieth day of the month / twenty days / Short for 二十日鼠 (hatsuka nezumi): a house mouse

a motif in Chinese art featuring the "three friends of winter": pine (or daffodil), bamboo, and plum blossom

an octagon

(music) an ancient Chinese system of classifying musical instruments into eight materials

Japan