The term 'CHILD's Retort' is a phrase used to describe a witty or clever response made by a CHILD. The two crossword solutions for this term are CANSO and IAMSO, both of which are five letters long. CANSO stands for 'Can So', which is a phrase used to indicate agreement or acceptance of an idea. IAMSO stands for 'I Am So', which is a phrase used to express surprise or disbelief. Together, these two phrases can be used to describe a CHILD's retort, which is a clever or witty response.