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

To make voiceless

• unloveable
• unloved
• unlovelier
• unloveliest
• unloveliness
• unlovelinesses
• unlovely
• unloverlike
• unloves
• unloving
• unlovingly
• unlovingness
• unlovingnesses
• unluckier
• unluckiest
• unluckily
• unluckiness
• unluckinesses
• unlucky
• unluxuriant
• unluxurious
• unmacadamised
• unmacadamized
• unmade
• unmade-up