Rope is related to Boy. Boy is related to Hair. 
Nail is related to Related. Related is related to Price. Price is related to Bid. Beg is etymologically related to Bid. 
Rope <--RelatedTo--> Boy <--RelatedTo--> Hair 
Nail <--RelatedTo--> Related <--RelatedTo--> Price <--RelatedTo--> Bid <--EtymologicallyRelatedTo-- Beg 