The term 'scare off' can be broken down into three crossword solutions: SHOO (4 letters), DETER (5 letters), and SPOOK (5 letters). The verb 'scare off' means to frighten someone or something away, usually with the intention of making them leave a certain area. The solution SHOO is an informal way of telling someone to go away, while DETER implies that the person or thing being scared off is being discouraged from returning. Finally, SPOOK suggests that the person or thing being scared off is being startled or frightened. All three solutions are related to the term 'scare off' in that they all involve frightening someone or something away.