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

To make voiceless

• impanels
• impannel
• impannelled
• impannelling
• impannels
• impar-
• imparadise
• imparadised
• imparadises
• imparadising
• impari-
• imparidigitate
• imparipinnate
• imparisyllabic
• imparities
• imparity
• impark
• imparkation
• imparkations
• imparked
• imparking
• imparks
• imparl
• imparlance
• imparlances