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

To make voiceless

• towelheads
• towel-horse
• towel-horses
• toweling
• towelled
• towelling
• towellings
• towel-rack
• towel-racks
• towel-rail
• towel-rails
• towels
• tower
• tower block
• tower blocks
• tower captain
• towered
• towerier
• toweriest
• towering
• toweringly
• towerless
• tower mill
• tower of strength
• tower over