Risk is related to Adventure. Adventure is related to Excitement. 
Reinforce is a synonym of Learn. Learn is related to Lesson. Lesson is related to Moral. Moral is a synonym of Ethics. 
Risk <--RelatedTo--> Adventure <--RelatedTo--> Excitement 
Reinforce <--Synonym--> Learn <--RelatedTo--> Lesson <--RelatedTo--> Moral <--Synonym--> Ethics 