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

To make voiceless

• two deep
• two-digit
• two-dimensional
• two-dimensionality
• two-edged
• twoer
• twoers
• two-eyed
• two-eyed steak
• two-faced
• two-fisted
• twofold
• twofoldness
• twofoldnesses
• two-foot
• two-footed
• two for his heels
• two-for-his-heels
• two-forked
• two-four
• two-hand
• two-handed
• two-handedly
• two-hander
• two-handers