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”)

(offensive, Internet slang) a man whose age is greater than about thirty or forty who lives in one's child room and with one's parent(s).

rate, ratio

be independent / be independent; have the authority to act without interference / be separate, be detached

form / be born; come into existence / gain approval

to establish

(anatomy) prostate