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

To make voiceless

• pigeon-berries
• pigeon-berry
• pigeon breast
• pigeon-breasted
• pigeon breasts
• pigeon chest
• pigeon-chested
• pigeoned
• pigeon-fancier
• pigeon-fanciers
• pigeon-fancying
• pigeon-flier
• pigeon-fliers
• pigeon-flyer
• pigeon-flying
• pigeon-hearted
• pigeonhole
• pigeonholed
• pigeonholer
• pigeonholers
• pigeonholes
• pigeonholing
• pigeon-house
• pigeon-houses
• pigeoning