cauk or cawk /kök/

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

• heathier
• heathiest
• heath-poult
• heath-poults
• Heath-Robinson
• Heath-Robinsonesque
• Heath-Robinsonian
• Heath-Robinsonish
• heaths
• heathy
• heating
• heatings
• heat of formation
• heatproof
• heat pump
• heat pumps
• heat-resistant
• heats
• heat-seeking
• heat shield
• heat shields
• heat sink
• heat sinks
• heatspot
• heatspots