syllabub or (rare) sillabub /silˈə-bub/

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

• flask
• flasket
• flaskets
• flasks
• flat
• flatback
• flatbacks
• flatbed
• flatbed lorries
• flatbed lorry
• flatbeds
• flatbed scanner
• flatbed scanners
• flatbed truck
• flatbed trucks
• flatboat
• flatboats
• flatbread
• flatbreads
• flat broke
• flat cap
• flat caps
• flatcar
• flatcars
• flat-chested