coom¹ /koom/

1. Soot
2. Coal dust
3. Dust or grime of various kinds

To begrime

• water-cools
• water core
• water-core
• water-cores
• watercourse
• watercourses
• water cow
• water cows
• watercraft
• water crane
• water cranes
• watercress
• watercresses
• water culture
• water cultures
• water cure
• water cures
• water cycle
• water cycles
• water deck
• water decks
• water deer
• water diviner
• water diviners
• water doctor