The term 'RUNNING AFTER' can be summarized as 'CHASING' which is a 7 letter word. Chasing is an activity that involves following someone or something in order to catch them. It is often used in sports such as football, rugby, and basketball, where players must chase after the ball or an opposing player. It can also be used in other contexts such as hunting, where animals are chased by hunters. In addition, chasing can be used in a more figurative sense, such as when someone is chasing after a goal or dream.