御休みなさい[oyasuminasai] good night
ひと休み[hitoyasumi] rest
運休[unkyuu] service suspended (e.g. trains)
夏季休暇[kakikyuuka] summer vacation
夏休み[natsuyasumi] summer vacation

閑話休題[kanwakyuudai] Now let's return to the main subject
休め[yasume] (Stand) at ease!
気休め[kiyasume] mere consolation
気休めに[kiyasumeni] for peace of mind
休する[kyuusuru] to come to an end

一昼夜[icchuuya] whole day and night
まっ昼間[mappiruma] broad daylight
真昼[mahiru] midday
昼も夜も[hirumoyorumo] day and night
昼下がり[hirusagari] early afternoon

昼すぎ[hirusugi] just past noon
昼休み[hiruyasumi] lunch break
昼興行[hirukougyou] matinee
昼光色電球[chuukoushokudenkyuu] daylight lamp