British is related to Pound. Pound is related to Pool. Pool is a synonym of Pot. Pot is related to Bowl. 
Sink is a synonym of Drop. Drop is related to Raise. 
British <--RelatedTo--> Pound <--RelatedTo--> Pool <--Synonym--> Pot <--RelatedTo--> Bowl 
Sink <--Synonym--> Drop <--RelatedTo--> Raise 