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

• biorhythm
• biorhythmics
• biorhythms
• bios
• BIOS
• biosafety
• biosatellite
• biosatellites
• bioscience
• biosciences
• bioscientific
• bioscientist
• bioscientists
• bioscope
• bioscopes
• biosecurity
• biosensor
• biosensors
• -biosis
• biosolids
• biosphere
• biospheres
• biospheric
• biostable
• biostratigraphic