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

To make voiceless

• unexploited
• unexplored
• unexposed
• unexpressed
• unexpressible
• unexpressive
• unexpugnable
• unexpurgated
• unextended
• unextenuated
• unextinct
• unextinguishable
• unextinguishably
• unextinguished
• unextreme
• uneyed
• unfabled
• unfact
• unfacts
• unfadable
• unfaded
• unfading
• unfadingly
• unfadingness
• unfadingnesses