epact /ēˈpakt/

1. The moon's age at the beginning of the year
2. The excess of the calendar month or solar year over the lunar

• organizes
• organizing
• organo-
• organ of Corti
• organogeneses
• organogenesis
• organogenies
• organogeny
• organogram
• organograms
• organographies
• organography
• organoleptic
• organometallic
• organon
• organophosphate
• organophosphates
• organotherapeutic
• organotherapies
• organotherapy
• organ-pipe
• organ-pipe coral
• organ-pipes
• organ-point
• organ-points