Kick is a type of Blow. Kick is related to Violence. Violence is a type of Aggression. 
Crisis is related to Critical. Critical is a synonym of Tight. Tight is related to Grip. 
Blow <--IsA-- Kick <--RelatedTo--> Violence --IsA--> Aggression 
Crisis <--RelatedTo--> Critical <--Synonym--> Tight <--RelatedTo--> Grip 