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

To make voiceless

• stoppers
• stopping
• stopping-out
• stopping-outs
• stopping-place
• stopping-places
• stopping power
• stopping powers
• stoppings
• stopple
• stoppled
• stopples
• stoppling
• stop press
• stop-press
• stops
• stop short
• stop the gap
• stop the mouth of
• stop the show
• stop thief
• stopwatch
• stopwatches
• storable
• storage