Clothes is related to Laundry. Laundry is related to Gain. Gain is the opposite of Waste. Waste is the opposite of Keep. 
Finding is related to Research. Research is related to Information. Heritage is a type of Information. Heritage is a synonym of Legacy. 
Clothes <--RelatedTo--> Laundry <--RelatedTo--> Gain <--Antonym--> Waste <--Antonym--> Keep 
Finding <--RelatedTo--> Research <--RelatedTo--> Information <--IsA-- Heritage <--Synonym--> Legacy 