Beg is etymologically related to Bid. Beg is related to Demand. 
Consumption is a synonym of Waste. Waste is related to Mind. Mind is related to Body. 
Bid <--EtymologicallyRelatedTo-- Beg <--RelatedTo--> Demand 
Consumption <--Synonym--> Waste <--RelatedTo--> Mind <--RelatedTo--> Body 