Justice is related to Liberty. Liberty is related to Independence. 
Flat is the opposite of Mountain. Mountain is the opposite of Shortage. Shortage is a synonym of Deficit. Deficit is a type of Lack. 
Justice <--RelatedTo--> Liberty <--RelatedTo--> Independence 
Flat <--Antonym--> Mountain <--Antonym--> Shortage <--Synonym--> Deficit --IsA--> Lack 