Round is related to Table. Table is related to Manner. Manner is a synonym of Mode. Mode is a synonym of Mood. 
Greatest is related to Best. Better is etymologically related to Best. Reform is a type of Better. Reform is a type of Change. 
Round <--RelatedTo--> Table <--RelatedTo--> Manner <--Synonym--> Mode <--Synonym--> Mood 
Greatest <--RelatedTo--> Best <--EtymologicallyRelatedTo-- Better <--IsA-- Reform --IsA--> Change 