正朔[seisaku] beginning of the month or the year
八朔[hassaku] Hassaku orange (Citrus hassaku)
朔風[sakufuu] north wind
朔望[sakubou] first and fifteenth days of the lunar month (corresponding to new moon and full moon)

朔望月[sakubougetsu] synodic month
朔望潮[sakubouchou] spring tide
告朔[kousaku] ceremony where the Emperor would inspect the records of attendance and absence of officials