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

To make voiceless

• diarchy
• diarial
• diarian
• diaries
• diarise
• diarised
• diarises
• diarising
• diarist
• diarists
• diarize
• diarized
• diarizes
• diarizing
• diarrhea
• diarrheal
• diarrheas
• diarrheic
• diarrhoea
• diarrhoeal
• diarrhoeas
• diarrhoeic
• diarthroses
• diarthrosis
• diary