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”)

four months (duration)

Synonym of 四季 (shiki, “four seasons”) / four (o'clock)

(grammar) Short for 四段活用 (yodan katsuyō): quadrigrade conjugation

a philosophy in Shintoism; within one's own heart there exists four 'souls', in either their positive (直霊(なおび) (naobi) and/or negative (禍津日(まがつひ) (magatsuhi) aspects, and that it is the interactions between these four souls, in either aspect, and in varying amounts and levels, that can influence the ups and downs in that person's character, good or bad.

a surname

one-quarter; 1/4; one fourth.