Aim is a synonym of Scope. Scope is a synonym of Sight. 
Action is related to Effect. Effect is related to Phenomenon. Stress is a type of Phenomenon. Stress is a synonym of Accent. 
Aim <--Synonym--> Scope <--Synonym--> Sight 
Action <--RelatedTo--> Effect <--RelatedTo--> Phenomenon <--IsA-- Stress <--Synonym--> Accent 