Leap is related to Game. Game is related to Crowd. Pour is a type of Crowd. Pour is related to Empty. 
Drive is a synonym of Compel. Compelling is a form of Compel. 
Leap <--RelatedTo--> Game <--RelatedTo--> Crowd <--IsA-- Pour <--RelatedTo--> Empty 
Drive <--Synonym--> Compel <--FormOf-- Compelling 