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

• quill-nib
• quill-nibs
• quillon
• quillons
• quill-pen
• quill-pens
• quills
• quillwort
• quillworts
• quilt
• quilted
• quilter
• quilters
• quilting
• quilting bee
• quilting bees
• quilting-cotton
• quilting-frame
• quilting-frames
• quilting party
• persing
• Persism
• persist
• Persist
• persisted