Written is related to Writing. Writing is a type of Activity. 
Peasant is a type of Worker. Peasant is the opposite of Citizen. Citizen is a synonym of National. National is similar to Federal. 
Written <--RelatedTo--> Writing --IsA--> Activity 
Worker <--IsA-- Peasant <--Antonym--> Citizen <--Synonym--> National <--SimilarTo--> Federal 