Borrow is the opposite of Lend. Lend is a different concept from Loan. Loan is related to Interest. 
Decide is a synonym of Close. Close is similar to Short. 
Borrow <--Antonym--> Lend <--DistinctFrom--> Loan <--RelatedTo--> Interest 
Decide <--Synonym--> Close <--SimilarTo--> Short 