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

• diethylamines
• diethyl ether
• diethyl ethers
• diethylstilbestrol
• diethylstilboestrol
• dietician
• dieticians
• dietine
• dieting
• dietist
• dietitian
• dietitians
• diets
• diet sheet
• diet sheets
• Dieu
• Dieu avec nous
• Dieu défend le droit
• Dieu et mon droit
• dead-heated
• dead-heating
• dead heats
• dead-heats
• deadhouse
• deadhouses