omertà or omerta /ō-merˈtə/

1. The Mafia code of honour requiring silence about criminal activities and stressing the disgrace of informing
2. A criminal conspiracy of silence

• celled
• cell-free transcription
• cell-free translation
• celliferous
• 'cellist
• cellist
• cellists
• cell line
• cell lines
• cell-mediated immunity
• cell membrane
• cell membranes
• Cellnet
• 'cello
• cello
• cellobiose
• cellobioses
• Cellophane
• cellos
• cellose
• cellphone
• cellphones
• cells
• cellular
• cellular immunity