Side is related to Back. Back is a type of Approve. Confirm is a type of Approve. Confirm is the opposite of Deny. 
Lend is a type of Give. Give is a synonym of Devote. 
Side <--RelatedTo--> Back --IsA--> Approve <--IsA-- Confirm <--Antonym--> Deny 
Lend --IsA--> Give <--Synonym--> Devote 