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

To make voiceless

• radio amateurs
• radio assay
• radio assays
• radio astronomies
• radio astronomy
• radioautograph
• radioautographs
• radio beacon
• radio beacons
• radiobiologies
• radiobiologist
• radiobiologists
• radiobiology
• radiocarbon
• radiocarbon dating
• radiocarbons
• radiochemical
• radiochemist
• radiochemistry
• radiochemists
• radio communication
• radio compass
• radio compasses
• radioed
• radioelement