There are several synonyms for the word "nail brush". Some of these synonyms include nail scrubber, manicure brush, finger brush, and nail cleaner. These brushes are used primarily for cleaning and scrubbing dirt and grime from under the nails as well as removing stubborn nail polish or stains. They come in different sizes, colors, and textures and are typically made from materials such as plastic, metal, or wood. Whether you are a professional nail technician or simply looking for a tool to keep your nails clean, a nail brush is an essential tool for maintaining healthy and beautiful nails.