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

To make voiceless

• nyala
• nyalas
• Nyanja
• Nyanjas
• nyanza
• nyanzas
• nyas
• nyases
• nybble
• nybbles
• NYC
• nychthemeral
• nychthemeron
• nychthemerons
• Nyctaginaceae
• nyctaginaceous
• nyctalopes
• nyctalopia
• nyctalopias
• nyctalopic
• nyctalops
• nyctanthous
• nyctinastic
• nyctinasties
• nyctinasty