primacy /prīˈmə-si/

1. The (condition of being in) the position or place that is first in rank or importance
2. The office or rank of a primate

• nigh on
• nighs
• night
• night air
• night-ape
• night-apes
• night-attire
• night-bell
• night-bells
• nightbird
• nightbirds
• night-blind
• night-blindness
• night-blooming cereus
• night-blooming cereuses
• night-brawler
• night-brawlers
• nightcap
• nightcaps
• night-cart
• night-carts
• night-cellar
• night-cellars
• night-chair
• prep school