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

To make voiceless

• impreses
• impress
• impresse
• impressed
• impresses
• impressibilities
• impressibility
• impressible
• impressing
• impression
• impressionability
• impressionable
• impressional
• impressionism
• impressionisms
• impressionist
• impressionistic
• impressionistically
• impressionists
• impressions
• impressive
• impressively
• impressiveness
• impressivenesses
• impressment