Seize is a type of Overwhelm. Get is a type of Seize. Get is a type of Destroy. 
Personal is related to Letter. Letter is related to Lower. Lower is a synonym of Hang. Hang is the opposite of Lay. 
Overwhelm <--IsA-- Seize <--IsA-- Get --IsA--> Destroy 
Personal <--RelatedTo--> Letter <--RelatedTo--> Lower <--Synonym--> Hang <--Antonym--> Lay 