Approval is derived from Approve. Approval is related to Bless. Bless is related to Love. Lover is derived from Love. 
Scope is a synonym of Aim. Aim is a synonym of Objective. Objective is related to Purpose. 
Approve <--DerivedFrom-- Approval <--RelatedTo--> Bless <--RelatedTo--> Love <--DerivedFrom-- Lover 
Scope <--Synonym--> Aim <--Synonym--> Objective <--RelatedTo--> Purpose 