14-Letter Words Containing: A,G,K,O,R

• of or pertaining to large bone marrow cells

• 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

• a large bone marrow cell; regarded as the source of blood platelets

• trespassing for an unlawful purpose; illegal entrance into premises with criminal intent

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

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

• someone who helps to open up a new line of research or technology or art

• the sport of skating on a skateboard