Shove is a type of Push. Push is a synonym of Near. Near is a synonym of Close. 
Costly is a synonym of Expensive. Expensive is related to Coast. Coast is related to Fisherman. 
Shove --IsA--> Push <--Synonym--> Near <--Synonym--> Close 
Costly <--Synonym--> Expensive <--RelatedTo--> Coast <--RelatedTo--> Fisherman 