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

To make voiceless

• alabamine
• alabamines
• alabandine
• alabandite
• alabaster
• alabasters
• alabastrine
• alablaster
• alablasters
• alack
• alack-a-day
• alacrities
• alacrity
• Aladdin
• Aladdin's cave
• Aladdin's lamp
• a lady of a certain age
• alae
• alaiment
• alalagmoi
• alalagmos
• alalia
• alalias
• alameda
• alamedas