The word "bookracks" can refer to a variety of storage solutions for books. Some synonyms include bookshelves, bookcases, display cases, sconces, and shelving units. Bookshelves are typically tall and feature multiple levels of shelves for books to be stacked upon. Bookcases are typically larger and more ornate, featuring wooden or metal frames and glass doors. Display cases are often used to showcase rare or valuable books and feature glass fronts and locking doors. Sconces are wall-mounted shelving units, while shelving units can range from basic metal or plastic units to more elaborate designs featuring built-in lighting or decorative accents.