cauk or cawk /kök/

1. Chalk (dialect)
2. Barytes in platy crystals

• jackeen
• Jackeen
• jackeens
• jackeroo
• jackerooed
• jackerooing
• jackeroos
• jacket
• jacketed
• jacketing
• jacket potato
• jacket potatoes
• jackets
• jackfish
• jackfishes
• Jack-fool
• Jack Frost
• jack-fruit
• jack-fruits
• Jack-go-to-bed-at-noon
• jackhammer
• jackhammers
• jack-high
• jacking
• Jack-in-office