The term 'Things to Put Up' can refer to a variety of items, such as decorations, posters, or shelves. The crossword solution for this term is 'DUKES, ' which is a five-letter word. DUKES can refer to a number of different things, including a British nobleman, a type of chess piece, or a slang term for a person's male friends. In this context, it could be referring to the act of putting up decorations, posters, or shelves with the help of one's male friends.