Save is a synonym of Bar. Bar is related to Building. Building is related to Shed. 
Power is related to Political. Political is related to Empire. Empire is related to Greek. Greek is related to Myth. 
Save <--Synonym--> Bar <--RelatedTo--> Building <--RelatedTo--> Shed 
Power <--RelatedTo--> Political <--RelatedTo--> Empire <--RelatedTo--> Greek <--RelatedTo--> Myth 