Beat is related to Heat. Heat is related to Make. Cut is a type of Make. Cut is related to Violence. 
Excuse is related to School. Skull is etymologically related to School. 
Beat <--RelatedTo--> Heat <--RelatedTo--> Make <--IsA-- Cut <--RelatedTo--> Violence 
Excuse <--RelatedTo--> School <--EtymologicallyRelatedTo-- Skull 