troublous/ʹtrubləs/ adj archaic or literary

• Cathay
• cathead
• cathedral
• Catherine wheel
• catheter
• catheterize
• cathexis
• cathode
• cathode ray
• cathode-ray tube
• Catholic
• catholic
• Catholicise
• catholicity
• Catholicize
• cation
• catkin
• cat litter
• catmint
• catnap
• catnip
• catoptric
• cat-o’-nine-tails
• cat's cradle
• Catseye