Philosophy is a type of Belief. Belief is related to Theory. Evolution is a type of Theory. 
Association is a type of Group. Group is related to Suite. Suite is related to Rich. Rich is similar to Wealthy. 
Philosophy --IsA--> Belief <--RelatedTo--> Theory <--IsA-- Evolution 
Association --IsA--> Group <--RelatedTo--> Suite <--RelatedTo--> Rich <--SimilarTo--> Wealthy 