There are several synonyms for the American Academy of Orthopaedic Surgeons (AAOS), which is a professional organization that represents orthopaedic surgeons worldwide. Some of the synonyms that can be used instead of AAOS are the American Orthopaedic Association, American Association of Hip and Knee Surgeons, American Spinal Injury Association, and the Orthopaedic Trauma Association. All of these associations have a similar mission as the AAOS, which is to advance orthopaedic surgery techniques, provide patient education, and promote research to improve musculoskeletal health. These professional organizations offer training, education, leadership opportunities, and community support for orthopaedic surgeons worldwide.