Language links or similarities for many words exist between ancient Europeans and ancient Stone Age Americans. These links appear to point to the Basque people of the France/ Spain region of Europe, and the North Eastern part of North America. This overlaps almost perfectly with multiple lines of genetic evidence (Haplogroup-X and Human Lymphocyte Antigens) which also shows ancient links between Europe and the Northeastern USA.
Words from ancient times which are similar for both peoples include, elbow, foot, head, breast, shoulder, guts, lake, river, louse, birch bark, river, ocean, boat, snow (falling), snow (on ground). Links between these ancient languages suggests an obvious prior European migration.
17. Linguistic Findings from Trevor T. on Vimeo.