Corn is related to Make. Make is related to Attempt. Attempt is the opposite of Fail. Fail is a different concept from Achieve. 
School is related to Area. Area is related to Department. 
Corn <--RelatedTo--> Make <--RelatedTo--> Attempt <--Antonym--> Fail <--DistinctFrom--> Achieve 
School <--RelatedTo--> Area <--RelatedTo--> Department 