The term 'Hello and Goodbye' can be expressed in many different ways. The crossword solutions for this term are SHALOM (6 letters), ALOHA (5 letters), and ALOHAS (6 letters). Shalom is a Hebrew word that is used to express both hello and goodbye, and is often used in Jewish culture. ALOHA is a Hawaiian word that is used to express both hello and goodbye, and is often used in Polynesian culture. Alohas is a variation of the Hawaiian word ALOHA, and is also used to express both hello and goodbye.