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

To make voiceless

• flowerings
• flowerless
• flower of Jove
• flowerpecker
• flowerpeckers
• Flower People
• flowerpot
• flowerpots
• Flower Power
• flowers
• flower-service
• flower-services
• flower show
• flower shows
• flowers of tan
• flowers of zinc
• flower-stalk
• flower-stalks
• flowery
• flowery-kirtled
• flowing
• flowingly
• flowingness
• flowingnesses
• flowmeter