13-Letter Words Containing: O,E,R,T,S,A,K

• a productive insight

• making an important discovery

• a penetration of a barrier such as an enemy's defense

• an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot

• the activity of making things out of metal in a skillful manner

• the sport of skating on a skateboard

• exhibiting or calling for sportsmanship or fair play

• someone who deliberately stirs up trouble

• someone who skates on a skateboard