The term 'Laugh Sound' can refer to a variety of different sounds made when laughing. The crossword solutions for this term are HAR (3 letters), HEH (3 letters), HAHA (4 letters), HEE (3 letters), YUK (3 letters), and HOHO (4 letters). HAR is a sound made when someone is surprised or amused, while HEH is a sound made when someone is slightly amused. HAHA is a sound made when someone is laughing out loud, and HEE is a sound made when someone is laughing in a high-pitched tone. YUK is a sound made when someone is expressing disgust, and HOHO is a sound made when someone is laughing heartily.