ferrule /ferˈool, -əl/

1. A metal band, ring or cap on the tip of a stick, etc for reinforcing it
2. A threaded cylindrical fitting for joining two pipes or rods

• swift foxes
• Swiftian
• swifting
• swiftlet
• swiftlets
• swiftly
• swiftness
• swiftnesses
• swifts
• swift-winged
• swig
• swigged
• swigger
• swiggers
• swigging
• swigs
• swill
• swilled
• swiller
• swillers
• swilling
• swillings
• swills
• swill-tub
• swill-tubs