Corruption is related to Government. Government is related to Federal. Federal is similar to Northern. 
Abstract is a synonym of Seize. Seize is a synonym of Assume. Assume is a synonym of Imply. 
Corruption <--RelatedTo--> Government <--RelatedTo--> Federal <--SimilarTo--> Northern 
Abstract <--Synonym--> Seize <--Synonym--> Assume <--Synonym--> Imply 