Leave is a synonym of Result. Result is related to Math. Math is related to Point. Point is related to Lead. 
Request is a synonym of Wish. Wish is a type of Order. Order is related to List. Inventory is a type of List. 
Leave <--Synonym--> Result <--RelatedTo--> Math <--RelatedTo--> Point <--RelatedTo--> Lead 
Request <--Synonym--> Wish --IsA--> Order <--RelatedTo--> List <--IsA-- Inventory 