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

To make voiceless

• yogurts
• yo-heave-ho
• yohimbine
• yohimbines
• yo-ho
• yo-ho-ho
• yoick
• yoicked
• yoicking
• yoicks
• yoicksed
• yoickses
• yoicksing
• yojan
• yojana
• yojanas
• yojans
• yok
• yoke
• yoked
• yoke-devil
• yoke-devils
• yoke-fellow
• yoke-fellows
• yokel