公平fairness地平線horizon不平complaint平均equilibrium平和peace水平water level水平線horizon平気coolness平日weekday平凡common平野plain平行(going) side by side平常normal平方square (e.g. metre)
日 じつ
先日the other day一昨日day before yesterday祭日national holiday祝日national holiday当日appointed day平日weekday一日one day期日fixed date終日all day連日every day