syllabub or (rare) sillabub /silˈə-bub/

1. A dish of cream curdled (eg with wine), flavoured and frothed up
2. Anything frothy or insubstantial

• perniciousness
• perniciousnesses
• pernicketiness
• pernicketinesses
• pernickety
• pernoctate
• pernoctated
• pernoctates
• pernoctating
• pernoctation
• pernoctations
• Pernod
• perns
• perogi
• perogies
• perone
• peroneal
• perones
• peroneus
• peroneuses
• Peronism
• Peronismo
• Peronist
• Peronista
• perorate