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

To make voiceless

• naevoid
• naevus
• naff
• naff all
• naffing
• naffly
• naffness
• naffnesses
• naff off
• naffs
• NAFTA
• nag
• naga
• nagana
• naganas
• nagapie
• nagapies
• nagari
• nagaris
• nagas
• nagged
• nagger
• naggers
• naggier
• naggiest