The Nervus Hypoglosus, also known as the hypoglossal nerve, is a crucial nerve responsible for controlling the muscles of the tongue's movement. Besides the standard term, numerous synonyms exist for this vital nerve in the medical field. These synonyms include the sublingual nerve, the ninth cranial nerve, the motor nerve, and the hypoglossal cranial nerve. Additionally, the hypoglossal nerve controls various muscles associated with speech like swallowing and vocalizing. Damage to this nerve could result in significant speech and swallowing difficulties, making it essential to identify and treat any issues with the Nervus Hypoglosus as soon as possible to promote optimal tongue function.