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

• pithiness
• pithinesses
• pithing
• pithless
• pithlike
• pithoi
• pithos
• piths
• pith-tree
• pith-trees
• pithy
• pitiable
• pitiableness
• pitiablenesses
• pitiably
• pitied
• pitier
• pitiers
• pities
• pitiful
• protogynies
• protogynous
• protogyny
• proto-historic
• proto-history