The crossword solution for the term 'Frank with a diary' is ANNE, which is a four letter word. ANNE is referring to ANNE Frank, a German-Jewish diarist and writer who gained fame posthumously after her diary was published. ANNE Frank kept a diary while she and her family were in hiding during the Nazi occupation of the Netherlands in World War II. Her diary has become one of the world's most widely read books and is a testament to the horrors of the Holocaust.