Oak is a type of Plant. Escape is a type of Plant. Shake is a type of Escape. Shake is etymologically related to Shock. 
Dependent is the opposite of Independent. Independent is related to Support. 
Oak --IsA--> Plant <--IsA-- Escape <--IsA-- Shake --EtymologicallyRelatedTo--> Shock 
Dependent <--Antonym--> Independent <--RelatedTo--> Support 