Butt is a synonym of Target. Target is a synonym of Purpose. Role can be used for Purpose. 
Real is similar to Actual. Actual is a synonym of Present. Present is related to Lie. you would Lie because Get. 
Butt <--Synonym--> Target <--Synonym--> Purpose <--UsedFor-- Role 
Real <--SimilarTo--> Actual <--Synonym--> Present <--RelatedTo--> Lie --MotivatedByGoal--> Get 