syllabub or (rare) sillabub /silˈə-bub/

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

• backbone
• backboned
• backboneless
• backbones
• backbreaker
• backbreakers
• backbreaking
• back burner
• back-burner
• back burners
• back-calculate
• back-calculated
• back-calculates
• back-calculating
• back-calculation
• backcast
• backcasting
• backcasts
• back catalogue
• back catalogues
• back-chain
• back channel
• back channels
• backchat
• backchats