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

• officiousness
• officiousnesses
• offie
• offies
• offing
• offings
• offish
• offishly
• offishness
• off-job
• off-job training
• off-key
• off kilter
• off-label
• off-licence
• off-licences
• off limits
• off-limits
• off line
• off-line
• pilings
• pilinut
• Pilipino
• pilis
• pill