The term 'TAP ALTERNATIVE' can be solved by two crossword solutions: PSST (4 letters) and SOFTSHOE (8 letters). PSST is an interjection used to quietly get someone's attention, while SOFTSHOE is a type of dance shoe that is designed to make less noise than traditional tap shoes. Both of these terms are related to tap dancing, which is a form of dance characterized by the use of rhythmic tapping of the feet.