The term 'Sound Like a Siren' can be summarized by two crossword solutions: 'SCREAM' (6 letters) and 'WAIL' (4 letters). A SCREAM is a loud, high-pitched sound usually made in moments of fear, pain, or excitement. It is often associated with horror films and other forms of media. A WAIL is a long, drawn-out cry of sorrow or distress. It is often used to express deep grief or mourning. Both screams and wails are often compared to the sound of a siren, which is a loud, shrill noise used to alert people of danger or an emergency.