Wailaki, also known as Eel River, is an extinct Athabaskan language spoken by the people of the Round Valley Reservation of northern California, one of four languages belonging to the California Athabaskan cluster of the Pacific Coast Athabaskan languages.Dialect clusters reflect the four Wailaki-speaking peoples, the Sinkyone, Wailaki, Nongatl, and Lassik, of the Eel River …

Cherokee or Tsalagi (ᏣᎳᎩ ᎦᏬᏂᎯᏍᏗ, Tsalagi Gawonihisdi [dʒalaˈɡî ɡawónihisˈdî]) is an endangered-to-moribund Iroquoian language and the native language of the Cherokee people. Ethnologue states that there were 1,520 Cherokee speakers out of 376,000 Cherokee in 2018, while a tally by the three Cherokee tribes in 2019 recorded ~2,100 speakers.