Exhaust is a synonym of Spend. Spend is related to Expense. Expense is related to Bill. Bill is the opposite of Coin. 
House is related to Servant. Servant is related to Civil. Civil is similar to Civilian. Refugee is a type of Civilian. 
Exhaust <--Synonym--> Spend <--RelatedTo--> Expense <--RelatedTo--> Bill <--Antonym--> Coin 
House <--RelatedTo--> Servant <--RelatedTo--> Civil <--SimilarTo--> Civilian <--IsA-- Refugee 