Sir is a synonym of Mate. Mate is a synonym of Teammate. 
Crack is a type of Cocaine. Cocaine is a type of Drug. Drug is related to Substance. Substance is related to Stone. 
Sir <--Synonym--> Mate <--Synonym--> Teammate 
Crack --IsA--> Cocaine --IsA--> Drug <--RelatedTo--> Substance <--RelatedTo--> Stone 