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

To make voiceless

• worry
• worry beads
• worrycow
• worrycows
• worry down
• worryguts
• worrying
• worryingly
• worryings
• worry out
• worrywart
• worrywarts
• worse
• worsed
• worse luck
• worsen
• worsened
• worseness
• worsenesses
• worsening
• worsens
• worse off
• worser
• worses
• worship