Introduction is a type of Textbook. Introduction is a synonym of Lead. Lead is related to Fishing. Fishing is related to Lake. 
Worth is a synonym of Dignity. Dignity is similar to Glory. Glory is related to Triumph. 
Textbook <--IsA-- Introduction <--Synonym--> Lead <--RelatedTo--> Fishing <--RelatedTo--> Lake 
Worth <--Synonym--> Dignity <--SimilarTo--> Glory <--RelatedTo--> Triumph 