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

To make voiceless

• necessitarianism
• necessitarians
• necessitate
• necessitated
• necessitates
• necessitating
• necessitation
• necessitations
• necessitied
• necessities
• necessitous
• necessitously
• necessitousness
• necessitousnesses
• necessity
• neck
• neck and crop
• neck and neck
• neckatee
• neckatees
• neckband
• neckbands
• neckbeef
• neckbeefs
• neck-bone