Heal is etymologically related to Hole. Hole is related to Drill. Drill is related to Worker. Diplomat is a type of Worker. 
Transaction is related to Trade. Trade is related to Do. Do is related to Able. Able is a synonym of Talented. 
Heal --EtymologicallyRelatedTo--> Hole <--RelatedTo--> Drill <--RelatedTo--> Worker <--IsA-- Diplomat 
Transaction <--RelatedTo--> Trade <--RelatedTo--> Do <--RelatedTo--> Able <--Synonym--> Talented 