Yes, bones is a Scrabble word!

Verb

1. Study intensively, as before an exam

2. Remove the bones from

Noun

1. A percussion instrument consisting of a pair of hollow pieces of wood or bone (usually held between the thumb and fingers) that are made to click together (as by Spanish dancers) in rhythm with the dance

2. Rigid connective tissue that makes up the skeleton of vertebrates

3. The porous calcified substance from which bones are made

4. A shade of white the color of bleached bones