Block is a synonym of Seal. Seal is a type of Device. Device is related to Watch. Wait is etymologically related to Watch. 
Symbol is related to Ring. Ring is related to Marry. Marry is related to Act. Surprise is a type of Act. 
Block <--Synonym--> Seal --IsA--> Device <--RelatedTo--> Watch <--EtymologicallyRelatedTo-- Wait 
Symbol <--RelatedTo--> Ring <--RelatedTo--> Marry <--RelatedTo--> Act <--IsA-- Surprise 