Free is the opposite of Costly. Costly is related to Dear. Dear is related to Honey. Honey is related to Sugar. 
Total is a synonym of Trash. Trash is related to Waste. Waste is related to Human. Human is related to Alive. 
Free <--Antonym--> Costly <--RelatedTo--> Dear <--RelatedTo--> Honey <--RelatedTo--> Sugar 
Total <--Synonym--> Trash <--RelatedTo--> Waste <--RelatedTo--> Human <--RelatedTo--> Alive 