Nanny's charge is a term used to describe the children that a nanny is responsible for taking care of. The three crossword solutions TYKE (4 letters), KID (3 letters) and TOT (3 letters) all refer to different age groups of children that a nanny may be responsible for. A TYKE is a young child, usually between the ages of 2 and 4. A KID is a slightly older child, usually between the ages of 5 and 10. A TOT is an even older child, usually between the ages of 11 and 14. Therefore, Nanny's charge can refer to any of these age groups of children.