Spend is related to Expense. Expense is related to Fee. Fee is related to Payment. Bonus is a type of Payment. 
Legal is a synonym of Judicial. Judicial is related to Trial. Trial is related to Case. 
Spend <--RelatedTo--> Expense <--RelatedTo--> Fee <--RelatedTo--> Payment <--IsA-- Bonus 
Legal <--Synonym--> Judicial <--RelatedTo--> Trial <--RelatedTo--> Case 