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

• trapdoor
• trapdoors
• trapdoor spider
• trapdoor spiders
• trape
• traped
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• trapesed
• trapeses
• trapesing
• trapesings
• trapeze
• trapezed
• trapezes
• trapezia
• trapezial
• trapeziform
• trapezii
• trapezing
• trapezium
• trapeziums
• trapezius
• trapeziuses
• trapezius muscle
• trapezius muscles