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

To make voiceless

• frater-house
• frateries
• fraternal
• fraternally
• fraternisation
• fraternisations
• fraternise
• fraternised
• fraterniser
• fraternisers
• fraternises
• fraternising
• fraternities
• fraternity
• fraternity house
• fraternity houses
• fraternization
• fraternizations
• fraternize
• fraternized
• fraternizer
• fraternizers
• fraternizes
• fraternizing
• fraters