devocalize or devocalise /dē-vōˈkə-līz/ or devoice /dē-voisˈ/

To make voiceless

• bioassayed
• bioassaying
• bioassays
• bioastronautics
• bioavailabilities
• bioavailability
• bioavailable
• biobibliographical
• bioblast
• bioblasts
• biocatalyst
• biocatalysts
• biochemical
• biochemically
• biochemical oxygen demand
• biochemist
• biochemistries
• biochemistry
• biochemists
• biochip
• biochips
• biocidal
• biocide
• biocides
• bioclimatology