The term 'allow to go free' can be expressed in three different ways in a crossword puzzle. The first is 'RELEASE' with 7 letters, the second is 'letoff' with 6 letters, and the third is 'turnloose' with 9 letters. All three terms mean to set someone or something free from confinement or obligation. This could refer to a prisoner being released from jail, an animal being freed from captivity, or a person being relieved of a responsibility.