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

To make voiceless

• dr.
• DR
• Dr
• Dr.
• drab
• drabbed
• drabber
• drabbers
• drabbest
• drabbet
• drabbets
• drabbier
• drabbiest
• drabbiness
• drabbinesses
• drabbing
• drabbish
• drabble
• drabbled
• drabbler
• drabblers
• drabbles
• drabbling
• drabblings
• drabby