Son is a synonym of Child. Child is related to Punishment. Punishment is related to Crime. Crime is related to Motive. 
Master is a synonym of Overcome. Overcome is related to Heal. Heal is related to Medicine. 
Son <--Synonym--> Child <--RelatedTo--> Punishment <--RelatedTo--> Crime <--RelatedTo--> Motive 
Master <--Synonym--> Overcome <--RelatedTo--> Heal <--RelatedTo--> Medicine 