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

To make voiceless

• crowd-pullers
• crowds
• crowd sail
• crowdsource
• crowdsourced
• crowdsourcer
• crowdsourcers
• crowdsources
• crowd-sourcing
• crowdsourcing
• crowd surf
• crowd surfed
• crowd surfing
• crowd surfs
• crowed
• crow-flower
• crow-flowers
• crowfoot
• crowfoots
• crowing
• crow-keeper
• crow-keepers
• crown
• crown agent
• crown agents