carolus /karˈə-ləs/

1. A gold coin of the time of Charles I
2. Any gold coin of the reigns of various kings named Charles

• Coolgardie safe
• coolheaded
• coolhouse
• coolhouses
• coolhunter
• coolhunters
• coolibah
• coolibahs
• coolibar
• coolibars
• coolie
• coolie hat
• coolie hats
• coolies
• cooling
• cooling card
• cooling-off
• cooling-off period
• cooling-off periods
• cooling tower
• cooling towers
• coolish
• cool it
• coolly
• coolness