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

To make voiceless

• not guilty
• not half
• not half bad
• no thanks to
• not harm a fly
• not have a cat in hell's chance
• not have a clue
• not have a hope in hell
• not have a leg to stand on
• not have the faintest
• not have the foggiest
• not-headed
• not hear of
• nothing
• nothingarian
• nothingarianism
• nothingarians
• nothing but
• nothing doing
• nothing for it but
• nothing-gift
• nothing-gifts
• nothing if not
• nothing in it
• nothingism