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

To make voiceless

• stroll
• strolled
• stroller
• strollers
• strolling
• strolling player
• strolling players
• strollings
• stroll on
• strolls
• stroma
• stromal
• stromata
• stromatic
• stromatolite
• stromatolites
• stromatous
• stromb
• strombs
• strombuliferous
• strombuliform
• strombus
• strombuses
• strond
• stronds