collier /kolˈyər or -i-ər/

1. A coalminer
2. A ship that carries coal
3. A sailor in such a ship
4. A charcoal burner or dealer in charcoal or coal (obsolete)

• one-woman
• one-worlder
• one-worlders
• one-worldism
• oneyer
• oneyers
• oneyre
• oneyres
• onfall
• onfalls
• on file
• on fire
• on firm ground
• onflow
• onflows
• on foot
• on-going
• ongoing
• ongoings
• on guard
• on hand
• on heat
• on her beam-ends
• on high
• on hire