Greatest is related to Best. Better is etymologically related to Best. Reform is a type of Better. Reform is a type of Change. 
one thing you do when you Writing is Initial. Initial is a synonym of Opening. Entrance is a type of Opening. Entrance is a synonym of Approach. 
Greatest <--RelatedTo--> Best <--EtymologicallyRelatedTo-- Better <--IsA-- Reform --IsA--> Change 
Writing --HasSubevent--> Initial <--Synonym--> Opening <--IsA-- Entrance <--Synonym--> Approach 