Halloween Buy is a term used to describe the act of purchasing items related to Halloween, such as costumes, decorations, and candy. The two crossword solutions for this term are MASK (4 letters) and WIG (3 letters). A MASK is a covering worn on the face to disguise or hide one's identity, while a WIG is a covering of artificial hair worn on the head for fashion or to disguise one's appearance. Both items are popular choices for Halloween costumes and can be found in many stores during the Halloween season.