Loose is a synonym of Release. Release is the opposite of Catch. Catch is related to Sail. Sail is related to Pretty. 
Trouble is related to Punishment. Punishment is related to Consequence. Consequence is related to Burn. 
Loose <--Synonym--> Release <--Antonym--> Catch <--RelatedTo--> Sail <--RelatedTo--> Pretty 
Trouble <--RelatedTo--> Punishment <--RelatedTo--> Consequence <--RelatedTo--> Burn 