Gap is a synonym of Tear. Rent is a type of Tear. Rent is a synonym of Charter. 
Fold is a synonym of Home. you are likely to find Purse in/at/on Home. Purse is a type of Sum. 
Gap <--Synonym--> Tear <--IsA-- Rent <--Synonym--> Charter 
Fold <--Synonym--> Home <--AtLocation-- Purse --IsA--> Sum 