 It is closely related to the [[Shoshone language|language of the Shoshone]], from which the Comanche diverged around 1700.The two languages remain closely related, but a few low-level sound changes inhibit mutual intelligibility.The earliest records of Comanche from 1786 clearly show a dialect of Shoshone, but by the beginning of the 20th century, these sound changes had modified the way Comanche sounded in subtle, but profound, ways.