Stuff is related to Collection. Defense is a type of Collection. Defense is a type of Team. Team is a synonym of Squad. 
Relieve is a type of Rid. Relieve is a synonym of Excuse. Excuse is a type of Justify. Legitimate is a type of Justify. 
Stuff <--RelatedTo--> Collection <--IsA-- Defense --IsA--> Team <--Synonym--> Squad 
Rid <--IsA-- Relieve <--Synonym--> Excuse --IsA--> Justify <--IsA-- Legitimate 