Defender is a different concept from Prosecutor. Prosecutor is the opposite of Defense. Excuse is a type of Defense. Excuse is a type of Explanation. 
Specific is related to Door. Door is related to Port. Port is related to Portray. Portray is related to Show. 
Defender <--DistinctFrom--> Prosecutor <--Antonym--> Defense <--IsA-- Excuse --IsA--> Explanation 
Specific <--RelatedTo--> Door <--RelatedTo--> Port <--RelatedTo--> Portray <--RelatedTo--> Show 