sulphinyl or (US) sulfinyl /sulˈfə-nil/

The bivalent chemical group, SO

• backaches
• back and fill
• back and forth
• backare
• backband
• backbands
• backbeat
• backbeats
• back-bench
• backbencher
• backbenchers
• back benches
• backbit
• backbite
• backbiter
• backbiters
• backbites
• backbiting
• backbitings
• backbitten
• back-block
• back-blocker
• bulk carrier
• bulk carriers
• bulk discount