Acceptance is a type of Acquisition. Acquisition is related to Buy. Buy is related to Use. Use is related to Wash. 
Money is related to Back. Back is a type of Approve. Approve is etymologically related to Improve. Improve is a synonym of Enhance. 
Acceptance --IsA--> Acquisition <--RelatedTo--> Buy <--RelatedTo--> Use <--RelatedTo--> Wash 
Money <--RelatedTo--> Back --IsA--> Approve --EtymologicallyRelatedTo--> Improve <--Synonym--> Enhance 