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

To make voiceless

• doving
• do violence to
• dovish
• dow
• dowable
• dowager
• dowagers
• dowager's hump
• dowager's humps
• dowar
• dowd
• dowdier
• dowdies
• dowdiest
• dowdily
• dowdiness
• dowdinesses
• dowds
• dowdy
• dowdyish
• dowdyism
• dowdyisms
• dowed
• dowel
• dowel-joint