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”)

counter for humanoid objects

In general: the body, e.g. of a human or animal / substance; matter / form; shape / (algebra) field (commutative ring with invertible nonzero elements)

band, belt

versus

Alternative form of 袋