private life, personal life

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”)

tracks

"to leave scratch-marks": (idiomatic) to leave one's mark (negative, but also recently (proscribed) positive)

(obsolete) later, afterwards, some time after the present

a trace of someone's work; footprint

inheritor / successor