14-Letter Words Containing: D,I,K,N,O

• the process whereby hydrocarbon molecules of petroleum are broken down into kerosene and gasolene by the addition of hydrogen under high pressure in the presence of a catalyst

• the ceremonial breaking of the ground to formally begin a construction project

• being or producing something like nothing done or experienced or created before

• the act of passengers and crew getting off of a ship or aircraft

• the sport of skating on a skateboard