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

To make voiceless

• unvisor
• unvisored
• unvisoring
• unvisors
• unvital
• unvitiated
• unvitrifiable
• unvitrified
• unvizard
• unvizarded
• unvizarding
• unvizards
• unvocal
• unvocalised
• unvocalized
• unvoice
• unvoiced
• unvoices
• unvoicing
• unvoicings
• unvoyageable
• unvulgar
• unvulgarise
• unvulgarised
• unvulgarises